负责试验过程中的部件更换，发动机调整，故障排除及相关服务。

Respond to the service, component change, adjustment of engine and troubleshooting during the test period.

youdao

负责试验过程中的部件更换，发动机调整，故障排除及相关服务。

Respond to the service, component change, adjustment of engine and troubleshooting during the test period.

youdao