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	threating threats three three Three Age system three-bagger three-base hit three-card monte three-color three-decker three-dimensional three-gaited three-legged race Three Mile Island three-mile limit threepence threepences threepenny three-piece three-ply three-point landing three-quarter three-quarter binding three-ring circus Three Rivers Community College

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