... semi-steep 缓倾斜的 semi-submersible barge 半潜式平底船 semi-submersible drilling unit 半潜式钻井装置 ...
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semi submersible barge 半潜驳
non-propelled semi-submersible barge 非自航半潜驳
bottom resting semi-submersible barge 坐底式半潜驳
bottom-sitting semi-submersible barge 坐底式半潜驳
Semi-submersible Barge & Floating Dock 半潜驳及浮坞
semi-submersible pipe-laying barge 半潜式管线铺设驳船
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Is the cargo ship semi-submersible? If not, how does the barge get off the ship?
这个货船是半沉式的么？这个吊车怎么下来？
youdao
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