Tires, the engine, the body, and the seats are component of a car.
轮胎，引擎，车身以及坐椅都是一辆汽车的零部件。
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The entire body length of the component is in contact with the board surface.
整个组件本体长度与线路板表面完全接触。
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模块上移
模块下移
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