landing door safety switch
层门安全开关
He then closed the door of the landing.
他随手关拢楼梯口的门。
To close the landing door, press either floor button.
如要关上机门, 就按下其中一个楼层按掣。
Open the forward access door near the nose landing gear.
打开前起落架附近得前接近门。
Rearwardsliding door aft of main landing gear on port side, with steps below.
向后滑门对主起落架左舷船尾，操作步骤如下。
There is no door closing button. Press any floor button to close the landing door.
这里没有关门按掣, 按下任何楼层按钮以关闭机门。
A simpler single door was substituted for twin doors on the front landing gear bay.
一个更小的单开门取代了前起落舱原来的双开门。
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