Base on the back ground of Dafosi Mine project,the key strata theory and cusp catastrophe theory was applied to analyze the mine water inrush mechanism from roof.是什么意思_Base on the back ground of Dafosi Mine project,the key strata theory and cusp catastrophe theory was applied to analyze the mine water inrush mechanism from roof.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句