recovery hook ; catch hook
... recovery 回收率;回收;采取 recovery hook 打捞钩 recovery tap 打捞公锥 ...
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钢丝绳打捞钩 rope spear
带簧闩打捞钩 latch jack
打捞抓钩 pick-up grab ; up grab
抓钩打捞筒 overshot grab
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搜寻用抓钩或拖网在水底进行搜寻或打捞。
To search or sweep the bottom body of water, as with a grappling hook or dragnet.
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