单词 | poppet valve |
释义 | poppet valve【化】 提升阀; 菌状阀 poppet valve poppet valve n.(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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