原理及特点：
◆ 效率高、设计精巧耐用，任何粉类、粘液均可筛分；
◆ 网孔不堵塞、粉末不飞扬、可筛至500目或0.028mm；
◆ 杂质、粗料自动排出，可以连续作业；
◆ 独特网架设计，筛网使用时间长久，换网快只需3-5分钟；
Principle and characteristics:
◆ high efficiency, exquisite and durable design, any powder and mucus can be screened;
◆ mesh is not blocked, powder is not flying, and it can be screened to 500 mesh or 0.028mm;
◆ impurities and coarse materials are discharged automatically and can be operated continuously;
◆ unique grid design, long-term use of the screen, only 3-5 minutes to change the screen quickly;
