这导致了一个重要的决定，即在三个非常不同的阶段进行起重作业。

This led to an important decision being taken: namely to carry out the lifting operation in three very distinct stages.

youdao

对大多数作业而言，起重作业是一个不可或缺的部分。

Lifting is an integral part of most of work.

youdao

RT550型越野轮胎起重机； 吊运行驶； 带载伸缩； 起重作业；

Model RT550 wheel type off-road crane; Load carry and travel; Boom telescoping with load; Lift operation;

youdao