Experimental Simulation and Numerical Analysis of Partial Extraction Pillar Stability--A Case Study of Taiping Coalmine, Jining City, Shandong Province是什么意思_Experimental Simulation and Numerical Analysis of Partial Extraction Pillar Stability--A Case Study of Taiping Coalmine, Jining City, Shandong Province在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句