... 龙门桅横桁 pair mast girder 横桁滑车组 overboard falls 桅顶横桁 cross tree ...
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A Man Falls Overboard 有人落水啦
·2,447,543篇论文数据，部分数据来源于NoteExpress
If someone falls off of a ship and into the water, you should alert the captain that there is a man overboard.
如果有人从船上掉到水里，你应该通知船长有人落水。
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Slips and overboard falls continue to wreak havoc on some commercial fishing boats off the coasts of Alaska, Massachusetts and other seaboard areas.
FORBES: America's Most Dangerous Jobs
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