因为没有液压装置，所以不能肯定起落架能不能固定得住。乘务人员将帮助你们作好着陆时防冲击的准备。

Because of the lack of hydraulics, we are not sure our landing gear will lock, so the flight attendants will prepare you for a bumpy landing.

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计算结果表明，列车防碰撞装置能够较好地减缓冲击，降低碰撞作用力。

The calculation results show that the bump prevention device on train can damp the impact and reduce the bump action force effectively.

youdao

计算结果表明，列车防碰撞装置能够较好地减缓冲击，降低碰撞作用力。

The calculation results show that the bump prevention device on train can damp the impact and reduce the bump action force effectively.

youdao