Xi'an Cummins on the road to getting rich

Henan Zhoukou, as a transport destination, is home to a large number of goods that are distributed and distributed every day. It is a famous high-speed logistics center in the Central Plains. Speaking of keeping a car, almost every household has one or two trucks. Their knowledge of .......

About the classification of mining fan introduction

Mine fan is a axial fan, because of its use of industry and the special nature of the place, as well as in the performance parameters and the size of the general axial flow ventilation and the larger differences, so separate into a class Mainly used in mine ventilation.

1, accordin.......