英语词汇“piston meter”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	piston meter
释义	piston meter piston meter [′pis·tən ¦mēd·ər] (engineering) A variable-area, constant-head fluid-flow meter in which the position of the piston, moved by the buoyant force of the liquid, indicates the flow rate. Also known as piston-type area meter.
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