单词 | hinged valve |
释义 | DEFINITIVE EXAMPLES 权威例句〔bivalve〕A mollusk, such as an oyster or a clam, that has a shell consisting of two hinged valves.双壳类:一种软体动物,如牡蛎或蛤,有由两个开合的瓣组成贝壳的动物美国传统〔bivalve〕Having a shell consisting of two hinged valves.双瓣壳的:有由两个开合的瓣组成贝壳的美国传统〔clack valve〕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,关闭时发出卡嗒声美国传统 |
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