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；

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This machine is suitable for trimming insole welt of different slopes of high heel shoes. 2, This machine adopts step-less speed motor exchanger;

本机可依鞋跟之斜度修削鞋踵之中底边缘。 2、采用变频式手摇调速成马达，可任意调整切削速度。

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