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柱齿钎头在我国的应用前景,乃是采矿工作者和一些钎头生产厂所关注的问题。一、小直径柱齿钎头与乳化胶油炸药配合使用,为节约炸药消耗、提高掘进效率开辟了广阔的前景。现场初步试验表明,利用直径为36毫米的柱齿钎头凿岩、药卷直径为28毫米的乳胶炸
The application prospect of column tooth bit in our country is the concern of mine workers and some bit production plants. First, the small diameter teeth with drill bit emulsion rubber explosives used in conjunction to save explosives, improve tunneling efficiency has opened up a broad prospect. Preliminary tests at the scene showed that using a 36-mm-diameter columnar bit drill, a 28-mm diameter latex roll