优先阀的英文：
n. priority valve

priority是什么意思：
n. 在先，居前；优先，重点；优先事项
  • Road building is a top priority.
    筑路是最优先考虑的事。
  • Maintaining stability is of top priority.
    稳定压倒一切。
  • It was a matter of balancing priorities.
    这是一个权衡轻重缓急的问题。
  • get one's priorities right
    正确地安排某人的优先事项
  • Financial controls were given to priority.
    他们把财务管理当成头等大事。
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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