... hydraulic drawing press 拉伸液压机 hydraulic dredge 疏浚机 hydraulic drill rig 液压钻机 ...
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论述了小型水下疏浚机的构造、工作原理、技术性能、开发的意义、远景等。
The structure principle and technical specification of small underwaterdredger and its development significance are analysed.
疏浚机周围悬浮物的含量以及围垦工程溢流的排放可提供关于溢出率的信息。
The content of suspended matter around the dredger and the dis "-charge of the overflow from reclamation give information about the spill rate."
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