英语词汇“petcock”是什么意思，“petcock”的读音、用法及例句翻译-烛光网

词汇	petcock
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
随便看	blacklists black locust black lung black lung disease black magic blackmail blackmailed blackmailing blackmails Black Maria black market black-market black mass black measles black medic black money Blackmore Black Mountains Blackmun Black Muslim black mustard Black Nationalist black nightshade black oak blackout

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