... Emergency fire pump and seat 应急消防泵及底座 air pump seat 气泵座 pump suction valve seat 泵吸入阀座 ...
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air pump choke seat 气泵阻塞门座
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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.
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。
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