stability of coal pillar的意思|示意
美 / /
英 / /
煤柱稳定性
stability of coal pillar的网络常见释义
煤柱稳定性 ...采；煤柱稳定性；煤柱宽度；流变 [gap=922]keywords: engineering mechanics;filling roadway mining;stability of coal pillar;pillar width;creep ...