coal wall stability的意思|示意
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英 / /
煤壁稳定性
coal wall stability的网络常见释义
煤壁稳定性 ...煤壁稳定性；“楔形”滑动体 [gap=1232]ywords: three-soft coal seams; fully mechanized mining with great mining height; coal wall stability; wedge sliding object ..