毛主席教导我们：“人的正确思想，只能从社会实践中来，只能从社会的生产斗争、阶级斗争和科学实验这三项实践中来。”在炮眼爆破作业中，通常认为：装药后堵塞炮泥的质量是影响爆破效果的主要因素之一。所以，禁止不加堵塞即放炮。但近几年来，我们在机掘坑探工程施工中，一改以往的做法，全面推广使用无炮泥爆破，并取得较好的效果，从而简 Chairman Mao taught us: “The correct thinking of man can come only from the practice of society and can only come from the three practices of social struggle for production, class struggle and scientific experiment.” In blasting operations, it is generally believed that: One of the main factors affecting the blasting effect is the quality of the clogged shotgun after drug treatment. Therefore, it is forbidden to block without blocking. However, in recent years, we have changed the previous practice in the construction of machine-digging scouts, fully promoted the use of non-muddy blasting, and achieved good results, thereby simplifying