The correct size and type bit breaker is to be on the rig floor.
钻台上有合适尺寸和种类的钻头盒。
The bit breaker must match the bit profile or the bit may be ruined before ever being used.
钻头装卸器必须与钻头的剖面想匹配，否则，钻头可能会在使用前就被损害。
I know Stone is a ground breaker, but not having actors to appear on screen is a bit too revolutionary even for him.
我知道斯通喜欢打破常规，但是对于他来说没有男主角出现似乎也太有挑战性了。
Remove breaker and carefully lower bit through rotary table.
卸掉卸扣器，下放钻柱让钻头缓慢通过转盘。
Remove breaker and carefully lower bit through rotary table.
卸掉卸扣器，下放钻柱让钻头缓慢通过转盘。
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