petcock
petcock漢語翻譯
petcock英語解釋
名詞 petcock:
- regulator consisting of a small cock or faucet or valve for letting out air or releasing compression or draining
petcock詳細(xì)解釋
pet.cock
n.(名詞)A small valve or faucet used to drain or reduce pressure, as from a boiler.泄氣閥,小龍頭:用來排空或降低壓力的一種小閥門或小龍頭,如鍋爐上的
來源:Perhaps pet 可能為 petcock cock