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.

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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;

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针对民用起重作业船舶由于波浪等引起的升沉检测问题，提出了基于机器视觉的船舶升沉检测方法。

This paper proposes a ship heaving measuring way based on machine vision to solve the ship heaving measurements of civil lifting operation under the influence of wave.

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