国内部份化工矿山岩巷掘进好成绩一览表

• 出 处: 化工矿山技术
• 发表日期: 1979年01期
• 关键词: 岩巷掘进 矿山 独头掘进 掘进队 岩巷 炸药单耗 锦屏 掏槽 炮眼 平巷

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. . . , ;;;. . D Jinhe phosphate mine 8 Jingxiang Phosphate 8 Jinping Phosphate k, _ Shantan Jinping Phosphate Z Jinping Phosphate Chemical Mining Name l Ten dust stole Y BU Slips rl rhyolite in the meaning of the city Yibai lyba Kennedy ’’ ’’ ’’ ’’ ’’ ’’ ’’ ’’ ’’ ’’ ’’ ’’ ’’ ’’ ’’ ’’ ’’ D alone digging digger digging alone g digging d digging head alone digging more than two