Choose two kinds of supplementary materials, imported Carboxymethylstach Sodium and Hyprolose, to have the contrastive experiments and make sure the use of final suppl.
选用两种辅料，进口羧甲基淀粉钠和羟丙纤维素进行对比实验，确定最后辅料的使用。
2
The paper described the rational distribution of the compressed air-suppl system, the design and installation of the tube system of the system.