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第一期二一R、X一R注制图及其在选谋厂应用的分沂…………………………综合系 李文体(1)露天采掘运榆R备作业溉率分祈…………………………………………采矿系 张幼蒂(13)上(下)山的矿压显现扣受力分沂……………………。…………………··科研处 陆士良(u)任意形伏I方向村合
The first phase of two R, X-R injection diagram and its application in the selection of plant Zhan Yi .............................. Integrated Department of Li style (1) ................................................ Mining Department Zhang Youdi (13) Rock pressure on the upper (lower) mountain buckles force sub-Yi ......................... ..................... ·· Research Department Lu Shiliang (u) Any shape volts I direction village together