故障自诊断功能，故障显示一目了然。

Self diagnosis failure function, clear failure display.

youdao

故障自诊断功能，故障显示一目了然。

Self diagnosis of failure function, clear failure display.

youdao

故障自诊断功能，故障显示一目了然。

Self failure diagnosis, clear failure display.

youdao

故障自诊断功能，故障显示一目了然。

Self failure diagnosis, clear failure display.

youdao