Establishment and Declaration of Welder Examination Committee of Boiler, Pressure Vessel and Pressure Pipe--quality control and characteristics of pressure vessel manufacture (third part)是什么意思_Establishment and Declaration of Welder Examination Committee of Boiler, Pressure Vessel and Pressure Pipe--quality control and characteristics of pressure vessel manufacture (third part)在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句