... 二向流动 two-directional flow 双筒绞车 two-drum winch 二力构件 two-force member ...
基于18个网页-相关网页
... double dragging 双船曳网作业 double drum winch 双筒绞车 double hook; sister hook 双钩 ...
基于16个网页-相关网页
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