petcock
音标['petkɔk]
汉语翻译
【机】 扭塞, 小塞
英语解释
名词 petcock:
- regulator consisting of a small cock or faucet or valve for letting out air or releasing compression or draining
详细解释
pet.cock
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
来源：Perhaps pet 可能为 petcock cock
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