The status of city flood prevention requires to strengthen the city flood prevention work.
城市防洪的现状要求加强城市防洪工作；
A human piling the labor intensity is low, high work efficiency, instead of human piling method, the realization the flood-prevention piling mechanization.
较人力打桩作业劳动强度低，作业效率高，代替人力打桩作业方式，实现了防汛抢险打桩作业机械化。
A human piling the labor intensity is low, high work efficiency, instead of human piling method, the realization the flood-prevention piling mechanization.
较人力打桩作业劳动强度低，作业效率高，代替人力打桩作业方式，实现了防汛抢险打桩作业机械化。
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