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

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	black tar black tar heroin black tea blackthorn black tie blacktop Blacktown Black Vernacular English Black Volta black vomit black vulture black walnut Black Warrior River blackwash blackwater fever Blackwell black widow Blackwood blacky blacky black–and–blue black–and–tan black–and–tan coonhound black–and–white black–a–viced

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