1)filter paper test,滤纸试验2)papermaking test,抄纸试验3)experimental paper machine,试验纸机4)test pater,试验纸5)testing strip,试验纸条6)ph test paper,pH试验纸
用法例句
The papermaking test of calcium carbonate in laboratory proves that, this kind of production used as a filling material in high-quality cigarette paper can improve the porosity, b rightness of cigarette paper, and more filling was reserved.
