Power wrench

A power wrench is type of wrench that is powered by other means than human force. A typical power source is compressed air. There are two main types of power wrenches: impact wrenches and air ratchet wrenches or pneumatic ratchet wrenches.

单词	Air wrench
释义	Air wrench 原声例句纽约时报 (New York Times) The employees took off lug nuts with an air wrench, hoisted off the car's 50-pound tire, swapped in a new tire and got the lug nuts back on. 员工们用气动扳手取下轮胎螺母，然后把50磅重的轮胎卸下，换上一个新轮胎，最后把螺母装回去。英语百科 Power wrench A power wrench is type of wrench that is powered by other means than human force. A typical power source is compressed air. There are two main types of power wrenches: impact wrenches and air ratchet wrenches or pneumatic ratchet wrenches.
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Air wrench

Power wrench