特點：
1、本機采用進口原件，在結(jié)構和設計上注重解決了噪音大，粉塵大的問題。
2、噪音低于85分貝，可連續(xù)工作半天不用清潔，吸力可保持。
3、體積小
4、安裝了可調(diào)速系統(tǒng)。
FEATURES：
1、The machine adopts imported elements and solves the problem of large noise and dust emphatically.
2、The noise is as low as low as 85 db. The machine can work half a day
       constantly and does not need to clean .  The suction can kept constantly.
3、The volume is little.
4、The machine is equipped with speed regulating system.