The principle and method of automatic gears shift control system of modern engineering machinery are introduced.
介绍了现代工程机械自动换档系统的原理与方法。
Some automatic transmissions also have a manual shift mode allowing the driver to select gears manually.
有些自动变速器还有一个手动换挡模式，驾驶员也可以手动换挡。
There is a right way and a wrong way to shift gears with an automatic transmission.
有一个正确的方式和错误的方式改变一个自动变速器齿轮。
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