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目前,为了进行海洋水利工程建筑,其海上工程地质勘测工作只能利用天气良好时之飘浮钻进法来进行。现有飘浮设备之主要缺点是:甚致在海浪不大(2-3级左右)时工
At present, in order to carry out marine water conservancy construction, its offshore engineering geological survey work can only be carried out by the floating drilling method when the weather is good. The main drawback of the existing floating equipment is: even in the sea is not (2-3 level) when the work