工作原理:該系統(tǒng)可用來起重海洋平臺的上層建筑,也可用來起重導(dǎo)管架平臺。上層建筑2通過系統(tǒng)的前部U形的船井3來起重;導(dǎo)管架平臺則通過船側(cè)的起重吊 車1起重。

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