英语词汇“cup leather”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	cup leather
释义	cup leather noun : a packing (as in hydraulic cylinders and pumps) that consists of a ring of leather of a U-shaped or cup-shaped cross section and that is made tight by the pressure of the fluid on the hollow side
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