air pump seat 气泵座
pump valve seat 泵阀座
spray-oil pump seat 喷油泵座
water pump bearing seat 水泵轴承座
Emergency fire pump and seat 应急消防泵及底座
pump suction valve seat 泵吸入阀座
hydraulic pump adapting seat 液压泵转接座
Sell: leather rope, hand, knee pads, pump seat cushion protective equipment.
自产：皮绳、护手、护膝、打气筒座垫等防护用品。
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。
Though most individuals in western cultures presumably recognize that the heart is in reality a mere pump, it is often described as the seat of emotion in general and love in particular.
尽管西方人一般认为心脏在事实上仅仅起到一个“水泵”的作用，但是他们还是通常认为心脏是情感的源泉，尤其是爱情的发源地。
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