如果液压系统或者电源出现故障，应急放出系统会靠重力机械地放出起落架。

An emergency extension system extends the gear mechanically if hydraulic or electrical power is lost.

youdao

如果液压系统或者电源出现故障，应急放出系统会靠重力机械地放出起落架。

An emergency extension system extends the gear mechanically if hydraulic or electrical power is lost.

youdao