For both crossed-flow in dense phase heat exchanger and NSP kiln, low limitation for gas speed must be noticed to prevent from or to reduce materials accumulation or collapse.
无论交叉流浓相换热器，还是传统NSP窑，必须注重低限风速的意义，防止或减少积料、塌料现象的发生；
2
This machine is suitable for trimming insole welt of different slopes of high heel shoes. 2, This machine adopts step-less speed motor exchanger;