Research on Deformation Monitor and Stability Predicting of Tunnel Wall Rocks During Conversion from Surface Mining into Underground Mining at Daye Iron Mine是什么意思_Research on Deformation Monitor and Stability Predicting of Tunnel Wall Rocks During Conversion from Surface Mining into Underground Mining at Daye Iron Mine在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句