After cleaning there is no residue on the metal surface.INTECH DETER S640 is a good alternative quality replacing products made of CFC or HCFC.是什么意思_After cleaning there is no residue on the metal surface.INTECH DETER S640 is a good alternative quality replacing products made of CFC or HCFC.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句