n. 瓣膜,阀门,电子管,真空管
例句与用法:
英英解释:
名词 valve:
- a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
- device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
- control consisting of a mechanical device for controlling the flow of a fluid
互动百科:
valve:
valve n. 阀, [英] 电子管, 真空管 英英解释:名词valve:1. a structure in a hollow organ (like the heart) with a flap... 详情
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