• 1. delay valve: 延迟阀
• 2. DVD Differential Delay Valve: 差压延迟阀
• 3. vacuum delay valve: 真空延迟阀

更多释义

• 1.The first delay was weather-related, the second was due to a faulty valve.
  第一次延期与天气有关，第二次是由于一个阀门出现故障。
  dict.yoduao.com
• 2.The valve use medium pressure of its own, control and turn off with a delay function to eliminate or alleviate the water hammer.
  利用介质自身的压力，控制并具有延时关闭功能，从而消除或缓解水锤的智能型止回阀。
  dict.yoduao.com
• 3.The first delay was weather-related, the second was due to a faulty valve.
  首次推迟是由于天气，第二次是由于阀门故障。
  dict.yoduao.com

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