英语词汇“relay valve”的意思、释义、用法解释及翻译-双龙斋书画网

词汇	relay valve
释义	Definition of relay valve in English: relay valve noun Engineering A fluid valve in which the main flow is controlled by a diaphragm which is opened and closed by a weep derived from the main flow. Origin Late 19th century. Definition of relay valve in US English: relay valve noun Engineering A fluid valve in which the main flow is controlled by a diaphragm which is opened and closed by a weep derived from the main flow. Origin Late 19th century.
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Definition of relay valve in English: