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单词
clack valve
释义
clack valve
n.
(名词)
A hinged valve that permits fluids to flow in only one direction and clacks when the valve closes.
瓣阀:一种铰接的阀,只容许流体单向流动,关闭时发出卡嗒声
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lend
lendable
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lending library
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length
length contraction
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lengthened
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更新时间:2026/2/10 13:46:55