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.
这些被清洁工人放置在河边的白色“防油屏障”，被海浪冲进了内陆。
The once white absorbent boom, originally laid by cleanup workers at the water's edge, has been pushed inland by the waves.
但随着开采时间的延长，陆续出现了防砂失效、套管错断等问题。
With prolonged production period, the problems like failure of sand control and casting leap were arisen.
应用推荐