The clutch is also used to disengage the engine from the drive train whenever the gears in the transmission are being shifted from gear ratio to another.

此外，在改变变速器齿轮的传送比时(换档时)，离合器也被用于切断传动系与发动机之间的连接。

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A fixed capacity compressor is usually fitted with an electromagnetic clutch giving the A/C system an ability to engage and disengage drive to the compressor.

一个固定电容压缩机通常配有一个电磁离合器，这两者共同作用使得A/C系统能够连接和断开到压缩机的驱动。

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