Used in screen process printing printing from rubber plates, and in gravure.应用于四色网印,橡胶版和凹版印刷.From solvent concentration point of view, gravure micyoco pissed management is necessary.从溶剂浓度的角度来看, 凹印的室内换气管理是必须的.It includes ...
Result: A new type fiber - annulation thickening on intracavitary cell wall, was discovered in medical material power.结果: 在药材粉末中发现一种新型纤维 — 其腔内细胞壁环纹增厚....