在该程序中的的使用和累计飞行时间显示的MT BF(平均故障间隔时间)超过5000小时。

Its usage and cumulative flying time during this program showed an MTBF exceeding 5000 hours.

youdao

在该程序中的的使用和累计飞行时间显示的MT BF(平均故障间隔时间)超过5000小时。

Its usage and cumulative flying time during this program showed an MTBF exceeding 5000 hours.

youdao