英语词汇“petcock”的读音、意思、用法、释义、词根词缀，怎么读、中文怎么翻译-英汉双解翻译词典-英中网

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词汇	petcock
类别	英汉双解翻译词典
释义	pet·cock AHD[pĕtʹkŏk'] D.J.[ˈpetˌkɒk]K.K.[ˈpɛtˌkɑk]n.（名词） A small valve or faucet used to drain or reduce pressure, as from a boiler.泄气阀，小龙头：用来排空或降低压力的一种小阀门或小龙头，如锅炉上的 Etymology语源 Perhaps pet ¹可能为 pet¹ cock ¹cock¹
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