此外，还有一些电动座椅具有腰部位置的调整功能，即在椅背的下部有空气泵充气的袋子，用以像枕头一样的调整腰部位置。
In addition, some power seats have a lumbar adjustment that USES a small air pump to inflate a bag or bags on the lower back of the seat to serve as a pillow.
一些电动座椅具有记忆功能，可使座椅调整到预先设置的位置。
Some power seats have a memory feature that will return the seat to a previously programmed position.
根据开关的位置与流入电枢时电流的方向，电动机开始顺时针或逆时针旋转从而使座椅根据需要进行调整。
Depending on the switch position and the direction of current to the armature, the appropriate motor will either revolve clock-wise of counterclockwise to produce the desired seat movement.
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