PL RA 1563 is used for finishing with few pigment as a special finishing agent. It gives natural burnishing effect and level layer and improves the grade of the leather.是什么意思_PL RA 1563 is used for finishing with few pigment as a special finishing agent. It gives natural burnishing effect and level layer and improves the grade of the leather.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句