film covering的用法和樣例：
例句
- Business card printing and membership card making products holdout drying poor film covering quality does great harm.
制卡和會(huì )員卡制作品墨層干燥不良對覆膜質(zhì)量危害極大。 - When sometimes covered with film silican drum the water or steam, this is due to a large number of paper after absorption.
覆膜時(shí)有時(shí)會(huì )發(fā)現硅膠滾筒上有明顯的水滴或蒸汽，這是由于紙張吸收了大量水分后導致的。
