“Lift installation by derrick barge”的概念、定义、翻译、参考文献-科学参考

单词	Lift installation by derrick barge
释义	Lift installation by derrick barge Encyclopedia 工学传统安装方法释 Lift installation by derrick barge吊机下放安装法在吊机满足工作水深的情况下直接用吊机缆绳下放；当水深超出吊机工作水深范围时，采用吊机起吊，转移到绞车缆绳，下放到海床的安装方法。
随便看	shipping parcels shipping planning shipping-safety support technology ship pollutant receiving and processing system ship pollution prevention ship pollution sources ship power distribution system ship power system ship propeller noise ship propulsion appliances ship radiated noise ship register ship repair and building facilities of fishing port ship repairing & building facilities ship reporting systems ship routing ship safety inspection ship safety management system ship's cargo handling gear ship's deadweight ship seaworthness ship security ship sewage treatment system ship-shaped cities ship side pushing device

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