... 大型有盖驳船 large covered lighter 拉系钩 lashing hook 侧缩,横缩 lateral contraction ...
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sea lashing hook 航行缚紧钩
OVERLOAD HOOK LASHING 钩头过载
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The welding on the girder web first before installation, transportation lashing hook.
安装前先将焊在主梁腹板上，运输时捆绑用的吊钩。
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Release the fore lashing rope, down with the boat and detach the fore hook.
解开前固艇索，放下小艇，松开前吊艇钩。
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