Because the design standard to prevent or control flood of BuJi River drainage basin is on the low side, what's more, the lower reaches of BuJi River is part of tidal effected river and affected by the tide, flood and waterlog take place in this years.

由于布吉河流域規(guī)劃設(shè)計的防洪標(biāo)準(zhǔn)偏低，并且布吉河有很長一部分河段屬于感潮河段国内精品视频_区二区，受到海潮變化的強烈影響一级无码日韩A片视频，近年來洪澇災(zāi)害時有發(fā)生，因而迫切需要對其防洪設(shè)計以及調(diào)度進行研究黑人巨大精品欧美在线观看。

From bright generation Liu Tian is mixed " collect asking water ", 10 thousand respectful " hoof of a bamboo fish trap of prevent floods by water control ", Pan Jixun " general view of flood-prevention work done on rivers " can see processing Huang Yunsai thinks in 3 books that treat a river from prevent floods by water control prevent or control flood, treat a river to understand use --, it is our country manages the transition period that river idea studies on Huang Shi.

從明代劉天和《問水集》免费无码不卡在线播放、萬恭《治水筌蹄》、潘季馴《河防一覽》三部治河書中可以看出治理黃運思想從治水防洪欧洲爽爽网站欧美、治河通運———河運合一欧美成视频黑人大屌、以河治河———筑堤束水、以水攻沙的變化BBB在线，是我國治黃史上治河思想的轉(zhuǎn)折時期久国产在线。

It is reported the 3rd times flood peak passes the Yangtse River yesterday when Wuhan, levee burst, after many struggle but breach still was not stemmed, soon the life of 3 towns people mixes Wuhan belongings on the verge of death or destruction, suddenly one person is prevented to Wuhan always offer to solve method, be prevented by Wuhan after always adopt, immediately Wuhan prevents Wu of total Xiang Qi to be born, wang Jun gives birth to 2 people to send a telegram to say condition of Wuhan prevent or control flood is critical be badly in need of two super large straw bag, show look whole nation only you 2 people are the rightest, long for urgently Chinese photograph of your kind effort is aided.

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