柯林斯英汉双解大词典
suction pump
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1.
N a pump for raising water or other fluid by suction. It usually consists of a cylinder containing a piston fitted with a flap valve 抽水机
双语例句权威例句
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A suction pump used to create a partial vacuum.
用于使局部真空的抽吸泵。
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The resistance of suction pump is too large. The diameter of suction is too large.
吸水管阻力太大，吸水管管径太小。
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Self suction pump is used for the first time, need to add water, then don't need to add water.
自吸式水泵第一次使用时，需要加引水，以后则不必再加引水。
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