车轮和螺丝的发明，蒸汽机的问世，电力的使用，所有这些都曾改变了亿万人的生活；

The invention of the wheel and screw, the introduction of steam-power, the use of electricity, all these have changed the lives of millions;

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电动扳手配备4种不同尺寸的套筒，可以在3秒内轻松拆卸或者紧固各种汽车的车轮固定螺丝1个。

Equipped with four different electromotive spanner, can be in the sleeve size 3 seconds easily remove or tighten various kinds of car wheels setscrew 1.

youdao

电动扳手配备4种不同尺寸的套筒，可以在3秒内轻松拆卸或者紧固各种汽车的车轮固定螺丝1个。

Equipped with four different electromotive spanner, can be in the sleeve size 3 seconds easily remove or tighten various kinds of car wheels setscrew 1.

youdao