英语词汇“poppet valve”是什么意思，“poppet valve”的读音、用法及例句翻译-乐坝网

词汇	poppet valve
释义	poppet valven.（名词） An intake or exhaust valve, operated by springs and cams, that plugs and unplugs its opening by axial motion.提升阀：由弹簧及凸轮操纵的一吸气或排气阀，通过往复式运动打开或关闭阀门
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