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1·Does the factory have band knife equipment available? Do they use the equipment?

工厂有环式带刀设备并使用该设备吗？

2·This type of equal arm balance with double beam and pan adopts flexible steel band as support without abrasion to the edges of the knife.

复梁式双盘等臂天平，采用钢带弹性作支撑，无刀口磨损现象发生。