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.

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。

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Besides, many affecting factors, such as lock chamber dimensions, lock valve conditions and single or multi flight lock situations have been discussed.

文中讨论了影响选型的诸多因素，如闸室平面尺寸、输水阀门工作条件、单级或多级船闸的影响等。

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Because of the problems with the mechanisms, it's unlikely our landing gear will lock, so the flight attendants will prepare you for a bumpy landing.

由于机械装置出现了问题，我们的起落架可能无法锁住，因此乘务人员将帮助大家做好准备，预防着陆时的颠簸。

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But after repeatedly opening and closing the latches, flight controllers managed to lock the wing and Discovery was cleared to dock.

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When rolled into position inside an aircraft, containers lock into place to avoid moving about in flight.

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The replacement fish are being driven up from part of the Kennet and Avon Canal, while lock repairs are being carried out on the Bath Flight.

BBC: Fire-hit Erewash canal set to be restocked with fish