unberthing

Tugs are available for assistance of berthing, unberthing, escorting and salvage operation withhorsepower from 624hp to 3400hp.

汕头港区备有624至3400匹马力的拖轮，协助船舶离泊以及提供护航和救助等服。

In this paper,the techniques of hydrofoil truing over and maneuvering for berthing and unberthing are discussed, which aims to propose safer practical operations.

探讨了船的掉头、离泊操作特征,旨在提船实际操作安全性。