Alfa Laval was fund since 1883 in Sweden, a global company, the key technologies are Heat Tranfer, Separation and Fluid Handling.是什么意思_Alfa Laval was fund since 1883 in Sweden, a global company, the key technologies are Heat Tranfer, Separation and Fluid Handling.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句