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下垅钨矿几年来的生产实践证明,要使井下各地点设置的水幕发挥其应有的效用,达到净化风流及捕尘的目的,就必须使其自动运转。现将该矿使用的爆破波自动装置简介如下:
The production practice of Xiandan tungsten mine in recent years proves that it is necessary to make the water curtain set at various places in the mine play its due role to achieve the goal of purifying the romantic and catching dust and making it run automatically. Blasting wave now used in the mine automatic device is as follows: