印刷知识 求专业翻译下啊 急啊
在加拿大 70±2gsm 双胶纸 thickness is more than 90um, whiteness is within 93-95%, degree of sizing is more than 0.75mm, smoothness is more than 20S, dirt count which is allow less than 5 pieces (0.5-1.5)mm dusts to be presentedwithin per sq m. 12...华人论坛