Already silently fuming that he hadn't offered to do his share of the driving, Ms. Floyd was astounded when her then-boyfriend didn't lift a finger to pump the gas.
弗洛伊德本来就因为那时还是男朋友的丈夫没有主动提出驾车而满腹怨气,当男朋友在加油时连手指头都懒得动一下的时候,弗洛伊德不禁大吃一惊。
A constriction in a powder pump that USES compressed air to lift and transport powder from feed system to the spray gun.
在粉末泵中的收缩能够使压缩空气从喂料系统到喷粉枪提升和搬运粉末。
Lift pumps are distinguished by having the pump mechanisms on top of a fixed reservoir.
提升泵的特点是泵固定在蓄水池的上面。
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