英语词汇“vent and test cock”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	vent and test cock
释义	vent and test cock un.通气和试验旋塞；🌏放气和试验旋塞
随便看	printing environments printing equiment printing equipment printing examination system printing expenses printing fabric printing facility printing failure printing fast green printing fee printing felt printing fidelity printing file printing files Printing film organic waste water printing finished signal printing foil printing fonts printing footers printing form printing format printing forme printing forme aligning to forme cylinders printing forme checking printing forme, curved