APPLICATION OF STOPING-AND-FILLING METHOD USING PASTE-LIKE BACK FILL MATERIAL TO COAL MINING UNDER SURFACE BUILDINGS是什么意思_APPLICATION OF STOPING-AND-FILLING METHOD USING PASTE-LIKE BACK FILL MATERIAL TO COAL MINING UNDER SURFACE BUILDINGS在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句