难吗？难！干吗？干！
<section style="white-space: normal;text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>不得不说</strong></span></section><p><section style="white-space: normal;text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>它确实是一个奇迹！</strong></span></section><section style="white-space: normal;text-align: center;"><br/></section></p><p style="max-width: 100%; min-height: 1em; font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; letter-spacing: 0.544px; white-space: normal; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important; text-align: center;"><span style="max-width: 100%;color: rgb(136, 136, 136);box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"></strong></span></p><p style="text-align: center;"><span style="font-size: 14px;color: rgb(136, 136, 136);">加高后的丹江口大坝，丹江口水库位于淅川县与湖北省丹江口市交界处。</span></p><p><section style="white-space: normal;text-align: center;"><br/></section><section style="white-space: normal;text-align: center;"><span style="font-size: 18px;color: rgb(171, 25, 66);"><strong>2000</strong></span>多个日夜</section><section style="white-space: normal;text-align: center;">累计输水超<span style="font-size: 18px;color: rgb(171, 25, 66);"><strong>363.3亿立方米</strong></span></section><section style="white-space: normal;text-align: center;">惠及<span style="font-size: 18px;color: rgb(171, 25, 66);"><strong>24座</strong></span>大中城市</section><section style="white-space: normal;text-align: center;"><span style="font-size: 18px;color: rgb(171, 25, 66);"><strong>120多个</strong></span>县（市区）</section><section style="white-space: normal;text-align: center;">直接受益人口超过<span style="font-size: 18px;color: rgb(171, 25, 66);"><strong>7900万人</strong></span></section><section style="white-space: normal;text-align: center;">向受水区<span style="font-size: 18px;color: rgb(171, 25, 66);"><strong>47条</strong></span>河流</section><section style="white-space: normal;text-align: center;">生态补水<span style="font-size: 18px;color: rgb(171, 25, 66);"><strong>49.6亿立方米</strong></span></section><section style="white-space: normal;text-align: center;">……</section><section style="white-space: normal;text-align: center;"><br/></section><section style="text-align: center;">这些数字看着震撼吗？</section><section style="white-space: normal;text-align: center;">你或许很难相信<br/></section><section style="white-space: normal;text-align: center;">这仅是“南水北调”东中西三条线路</section><section style="text-align: center;">中线工程的部分成绩</section><section style="text-align: center;"><br/></section><section style="text-align: center;">这项史无前例的超级工程</section><section style="text-align: center;"><span style="text-align: center;"><span style="text-align: center;">论证</span>了长达半个世纪</span></section><section style="text-align: center;">才在国人面前揭开面纱</section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>其规模之大，涉及面积之广</strong></span></section><section style="white-space: normal;text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>覆盖人口之多</strong></span></section><section style="white-space: normal;text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>均堪称史无前例</strong></span></section><section style="text-align: center;"><br/></section><section style="text-align: center;">当南来之水涌入北方大地</section><section style="text-align: center;">历史注定铭记这一高光时刻</section><section style="text-align: center;">而这一超级工程</section><section style="text-align: center;">建起来又谈何容易</section><section style="text-align: center;"><br/></section><section style="text-align: center;"><br/></section></p><p style="white-space: normal;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);text-align: center;box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="color: rgb(0, 122, 170); font-size: 20px; letter-spacing: 0.544px;">这样一个超级工程</strong><br/></p><p style="text-align: center;"><span style="font-size: 20px;color: rgb(0, 122, 170);"><strong>到底有多难？</strong></span></p><p><section style="white-space: normal;text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>2014年12月12日</strong></span></section><section style="white-space: normal;text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>南水北调中线工程正式通水</strong></span></section><section style="white-space: normal;text-align: center;">这简单的一句话</section><section style="white-space: normal;text-align: center;">实现的过程却困难重重</section><section style="text-align: center;"><span style="text-align: center;">建设难度从源头便开始显现</span></section><section style="text-align: center;"><br/></section></p><p style="text-align: center;"></p><p style="text-align: center;"><span style="font-size: 14px;color: rgb(136, 136, 136);">南水北调中线丹江口大坝加高停浇不停工（资料图片）。</span></p><p><section style="text-align: center;">以中线工程的河南部分为例</section><section style="text-align: center;">要让南水自流进京</section><section style="text-align: center;">丹江口大坝要从162米</section><section style="text-align: center;">加高到176.6米</section><section style="text-align: center;">与北京形成约百米落差</section><section style="text-align: center;">才能实现</section><section style="text-align: center;"><br/></section><section style="text-align: center;">大坝虽只加高14.6米</section><section style="text-align: center;">但水压却会增加四成</section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>在服役近40年的老坝上建新坝</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>难度不亚于甚至超过新修一座大坝</strong></span></section><section style="text-align: center;"><br/></section><section style="text-align: center;">施工最高峰时</section><section style="text-align: center;">3000人奋战在一线</section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>加高壮举历时近8年终于完成</strong></span></section><section><br/></section></p><p style="text-align: center;"></p><p><section style="text-align: center;"><span style="font-size: 14px;color: rgb(136, 136, 136);">无人机拍摄的位于南阳市淅川县的南水北调中线工程渠首</span></section><section style="text-align: center;"> </section><section style="text-align: center;">而<span style="color: rgb(2, 30, 170);"><strong>在邓州</strong></span></section><section style="text-align: center;">湍河上的湍河渡槽</section><section style="text-align: center;">无论内径、单跨跨度</section><section style="text-align: center;">还是流量都是<strong><span style="color: rgb(171, 25, 66);">世界首例</span></strong></section><section style="text-align: center;">也是<span style="color: rgb(171, 25, 66);"><strong>目前世界上</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>规模最大的U型输水渡槽</strong></span></section><section style="text-align: center;"> </section><section style="text-align: center;"><span style="color: rgb(2, 30, 170);"><strong>在鲁山</strong></span></section><section style="text-align: center;">沙河渡槽总长排名<span style="color: rgb(171, 25, 66);"><strong>世界第一</strong></span></section><section style="text-align: center;">并行输水槽数排名<span style="color: rgb(171, 25, 66);"><strong>世界第一</strong></span></section><section style="text-align: center;">下输水断面总面积排名<span style="color: rgb(171, 25, 66);"><strong>世界第一</strong></span></section><section><br/></section><section style="white-space: normal;text-align: center;"></section><section style="white-space: normal; text-align: center;"><span style="font-size: 14px;color: rgb(136, 136, 136);">鲁山县境内的沙河渡槽，槽身空间受力复杂，架设难度极大。</span></section><section style="text-align: center;"> </section><section style="text-align: center;"><span style="color: rgb(2, 30, 170);"><strong>在郑州</strong></span></section><section style="text-align: center;">有<span style="color: rgb(171, 25, 66);"><strong>国内最深</strong></span>的调水竖井</section><section style="text-align: center;">国内穿越大江大河<span style="color: rgb(171, 25, 66);"><strong>直径最大</strong></span>的输水隧洞</section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>国内水利工程最深</strong></span>的盾构始发</section><section style="text-align: center;">……</section><section style="text-align: center;"><br/></section><section style="text-align: center;"><span style="color: rgb(2, 30, 170);"><strong>在北京</strong></span></section><section style="text-align: center;">很难想象五棵松地铁站下</section><section style="text-align: center;">两条内径4米的输水涵道穿行而过</section><section style="text-align: center;">暗涵与站台距离仅3.67米</section><section style="text-align: center;">而地铁结构最大沉降值不超3毫米</section><section style="text-align: center;">创下<span style="color: rgb(171, 25, 66);"><strong>世界之最</strong></span><br/></section><section><br/></section><section style="text-align: center;"></section><section style="white-space: normal; text-align: center;"><span style="font-size: 14px;color: rgb(136, 136, 136);">中线北京段西四环暗涵工程。</span></section><section style="text-align: center;"> </section><section style="text-align: center;">十几年建设，百余项专利</section><section style="text-align: center;">数十万建设者</section><section style="text-align: center;">埋头苦干、奋战一线</section><section style="text-align: center;">最终“中国智慧”</section><section style="text-align: center;">筑起世界最大调水工程</section></p><p style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>确实</strong></span></p><p style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>要克服这些困难</strong></span></p><p style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>真的很难，很难</strong></span></p><p style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>但我们还是做到了</strong></span></p><p><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>而在这背后</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>是常人难以想象的付出和努力</strong></span></section><section style="text-align: center;"><br/></section></p><p style="white-space: normal;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);text-align: center;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br/></p><p style="white-space: normal;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);text-align: center;box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="color: rgb(0, 122, 170); font-size: 20px; letter-spacing: 0.544px;">我们创造了奇迹</strong><br/></p><p><section style="white-space: normal;max-width: 100%;letter-spacing: 0.544px;text-align: center;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="color: rgb(0, 122, 170);font-size: 20px;"><strong>并将继续书写传奇！</strong></span></section><section style="text-align: center;"><br/></section><section style="white-space: normal;text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>北京一杯自来水中有七成来自丹江口</strong></span></section><section style="white-space: normal;text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>天津14个区的居民全部饮上丹江水</strong></span></section><section style="white-space: normal;text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>……</strong></span></section><section style="text-align: center;">南水北调中线工程通水六年多来</section><section style="text-align: center;">累计输水超363.3亿立方米</section><section style="text-align: center;">什么概念？</section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>相当于运送约2600个西湖！</strong></span></section><section style="text-align: center;"><br/></section></p><p style="text-align: center;"></p><p><section style="text-align: center;"> </section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>但我们调的是水</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>又远不止水</strong></span></section><section style="text-align: center;"><br/></section><section style="text-align: center;">六年来</section><section style="text-align: center;">受水区河湖湿地面积显著扩大</section><section style="text-align: center;">密云水库、瀑河水库蓄水量大增</section><section style="text-align: center;">滹沱河、滏阳河、南拒马河重现生机</section><section style="text-align: center;">北京天津河北河南</section><section style="text-align: center;">地下水位下降趋势得到有效遏制</section><section style="text-align: center;">部分地区止跌回升</section><section style="text-align: center;"><br/></section></p><p style="text-align: center;"></p><p><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong><br/></strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>甘甜的丹江水让很多人</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>告别高氟水、苦咸水</strong></span></section><section style="text-align: center;">也为干渴的华北大地</section><section style="text-align: center;">带来了些许喘息</section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>可以说</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>南水北调一定程度上缓解了水荒</strong></span></section><section style="text-align: center;"><br style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"/></section><section style="white-space: normal;text-align: center;">滴滴南水来之不易</section><section style="white-space: normal;text-align: center;">饮水思源</section><section style="white-space: normal;text-align: center;">方知惠泽之深、贡献之巨</section><section data-id="45049" data-type="lspecial04,lspecial05" data-tools="小蚂蚁编辑器" powered-by="xmyeditor.com" data-md5="4fcfd"><section powered-by="xmyeditor.com" data-md5="4fcfd"><section powered-by="xmyeditor.com" data-md5="4fcfd"><section powered-by="xmyeditor.com" data-md5="4fcfd" style="text-align: center;"><br/></section></section></section></section><section style="max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-align: center;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"></section><section style="max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);text-align: center;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br/></section><section style="text-align: center;">一个超级工程</section><section style="text-align: center;">东中西三条线路</section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>不得不说</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>它确实是一个奇迹</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>是一个</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>曾经充满种种争议</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>却依然实现的奇迹</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>也是一个</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>由无数默默无名的人</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>共同创造出来的奇迹</strong></span></section><section style="text-align: justify;"><br/></section><section style="text-align: center;">现如今</section><section style="text-align: center;">东线北延工程首次向津冀供水</section><section style="text-align: center;">中线引江补汉工程开工只等令下</section><section style="text-align: center;">西线工程准备工作紧锣密鼓</section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>这个地表最强调水工程</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>仍在不舍昼夜续写传奇</strong></span></section><section style="text-align: center;"><span style="color: rgb(171, 25, 66);"><strong>……</strong></span></section><section style="white-space: normal;text-align: center;"><br/></section><section class="mp_profile_iframe_wrp"><mpprofile class="js_uneditable custom_select_card mp_profile_iframe" data-pluginname="mpprofile" data-id="MzA4MjQxNjQzMA==" 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