air wrench

• 气动扳手

air wrench的用法和样例：

例句

1. Spin it out with the air spanner.
   用气动扳手卸扣。
2. Air wrench operation speeds up cycle time on high gear ratio bevel gears however, the mechanical advantage available from bevel gearing enables the operator to damage the valve.
   气动扳手操作加快了高齿轮传动比伞齿轮装置的循环速度，但是，其伞齿轮的机械增益使得操作者可能对阀门造成破坏。