排故手册内容是否完整？排故是否很耗时？ 是否需要航线上没有的特殊设备？

If the shop reports show excessive NFFs, are the troubleshooting instructions inadequate, are they too time consuming, or do they require special equipment that is not available on the line?

youdao

排故手册内容是否完整？排故是否很耗时？ 是否需要航线上没有的特殊设备？

If the shop reports show excessive NFFs, are the troubleshooting instructions inadequate, are they too time consuming, or do they require special equipment that is not available on the line?

youdao