The status of Panji No.2 Coal Mine mining area layout and problems of the coal and gas outburst are analyzed.The stope adjustment programs are pointed out.是什么意思_The status of Panji No.2 Coal Mine mining area layout and problems of the coal and gas outburst are analyzed.The stope adjustment programs are pointed out.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句