英语词汇“triple valve”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	triple valve
释义	triple valve noun : the automatic valve under a railroad car that controls the automatic air brake by regulating by three openings the intake, exhaust, and equalization of compressed air in the brake piston
随便看	council council council board council fire council-general councillor councillor councillorship councilman council-manager plan councilmanic council of ministers council of state council of war councilor council school council table council tool councilwoman counsel counsel counselable counselee counseling counseling

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