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宇文含春:比南水北调要靠谱很多,但是要解决好海水下渗问题 (2014-06-10 08:53)
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fanweng22:我不知道:挖了河、海水就能到北京吗?高程差距50米如何解决?用电力抽水吗?要用多少电?1公里宽,多少深?用多少水?问题多多。不像是知识份子提出的。 (2014-06-10 09:19)
丘陵小河:下挖七十米就可以了,海拔50米,再挖20米深的航道,70米够了160×1000×1000×70=?立方米工程量。 (2014-06-10 10:59)
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