V2EX shutoff valve

Shutoff Valve

释义 Definition

shutoff valve截止阀/切断阀/关闭阀。用于开启或完全切断管道中液体、气体等介质的流动的阀门(通常强调“关断/隔离”功能;不同于主要用于调压或调节流量的阀)。

发音 Pronunciation

/tf vlv/

例句 Examples

Please close the shutoff valve before you leave.
离开前请把切断阀关上。

In an emergency, the technician located the main shutoff valve and isolated the gas supply to prevent a fire.
紧急情况下,技术员找到总切断阀并切断燃气供应,以防止起火。

词源 Etymology

shutoff 来自动词短语 shut off(“关掉、切断”),强调“停止供给/流动”;valve 指“阀门”。合起来 shutoff valve 就是“用于切断流体/气体的阀门”。在工程语境中也常写作 shut-off valve(带连字符)。

相关词 Related Words

文学与作品 Literary Works

该词更常见于工程规范、设备手册与安全指南等非虚构技术写作中,例如:

  • ASME B31.3 Process Piping(过程管道规范)
  • NFPA 54: National Fuel Gas Code(燃气规范)
  • Machinery’s Handbook(机械工程常用手册)
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