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《煤矿安全》1974年第4期登载的西山矿务局白家庄矿风筒组的一篇经验介绍,对我矿的修补风筒工作启发很大。文章里介绍了一种专门补风筒用的黑胶水。我矿想了解该黑胶水的配比方法,特烦你部代为了解为盼。
“Coal Mine Safety” No. 4 of 1974 posted Xishan Mining Bureau Hakka air duct group an introduction to the experience of mine repair me winds inspired a lot. The article describes a black glue specifically for the makeup tube. I want to understand the ratio of the black mineral glue method, especially trouble your ministry for understanding hope.