操作不允许开机时进行换档变速的翻译：Operation is not allowed when power shift transmission 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Operation does not allow variable-speed power shift when

Operation is not allowed when power shift transmission

The operation does not permit starting when carries on shifts gears to change speed

When you open the machine does not allow for gear for variable-speed

Operation is not allowed when power shift transmission