上卸扣时，不能站在大钳的后边。

Do not stand behind rig tongs while they are in use.

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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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钻工打开大钳，放置到安全位置并拴牢。

The Floormen remove the rig tongs and tie them back safely out of the way.

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请把这些坏大钳、卡瓦和吊卡装到车上！

Please load the truck with bad tongs, slips and elevators!

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钻工喜欢用这种大钳。

The roughnecks like to use this kind of tong.

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大钳的角度太小了。

The tong angle is too small.

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大钳的角度太小了。

The tong angle is too small.

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