upshift怎么读，upshift什么意思，upshift短语和例句

1.The work finds the largest potential in using an extra clutch which belongs to a gear higher than the high gear in an upshift.

本文发现在采用一个附加离合器的最大趋向是它属于比挂高档高的高档。

2.The work finds the largest potential in using an extra clutch which belongs to a gear higher than the high gear in an upshift.

本文发现在采用一个附加离合器的最大趋向是它属于比挂高档高的高档。

3.DSG can be driven in automatic mode or the driver can upshift and downshift themself.

DSG可以在自动模式下工作，或者驾驶员可以自己升降档。