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。

The bit breaker must match the bit profile or the bit may be ruined before ever being used.

youdao

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。

The bit breaker must match the bit profile or the bit may be ruined before ever being used.

youdao