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介绍了一种对煤矿放炮时产生的大量浮游煤尘有很好抑制作用的新型自动喷雾装置的原理，控制电路及使用性能等。
The principle, control circuit and service performance of a new type of automatic spray device that has a good inhibitory effect on a large amount of suspended coal dust generated when blasting a coal mine are introduced.