单词 | 关闭阀门 |
例句 | DEFINITIVE EXAMPLES 权威例句〔poppet valve〕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美国传统 |
随便看 |
英语例句辞典收录了559068条英语例句在线翻译词条,基本涵盖了全部常用单词及词组的例句翻译及用法,是英语学习的有利工具。