活门的英文:
valve

参考例句:
  • Pack a valve stem.
    扎好活门塞
valve是什么意思
n. 阀门;瓣膜;真空管
v. 装阀于;以活门调节

  • Valve Disadvantages: The valve is difficult to close and requires the operator to double close the valve.
    阀门的缺点:阀门难以关闭,要求操作者二次关闭阀门。
  • pilot valve governor
    带伺服电动机的调节器辅助调速器
  • The valve has jammed shut.
    阀门给卡住了打不开。
  • multiple leaf valve
    多簧片阀
  • cooled anode valve
    冷板屏极真空管

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