1, the original diameter of the suction mode, to flared vacuum, such as the right <br>2, under vacuum dust from the original 8M / S raised to 13M / S <br>2019-11-30
1, from the original vacuum diameter mode, changed to the expansion type vacuuming, such as the right picture<br>2, the dust from the original 8M/S to 13M/S<br>2019-11-30
1. Change from the original way of medium vacuum diameter to the way of expanding vacuum, as shown in the right figure<br>2. Lower dust collection increased from 8m / s to 13m / S<br>2019-11-30