snub lines
... 洋灰塞 cent plug 钳尾绳 snub lines 吊钳 rig tongs ...
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大钳尾绳 safety line
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连接猫头绳和钳尾绳到大钳上。
Connect the makeup line (s) and snub line to the rig tongs.
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内钳必须安装钳尾绳并固定在钳尾桩上。
The breakout tong should be snubbed, preferably to an anchor post.
内钳的钳尾绳应到底座或固定在底座上的钳尾桩上；
The backup tong should be snubbed to the substructure or to an anchor post attached to the substructure.
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