Furthermore,the three-phase foam was successfully used for inerting the gases in the fire zone in Baijigou Coal Mine of Ningxia Coal Industry Group.是什么意思_Furthermore,the three-phase foam was successfully used for inerting the gases in the fire zone in Baijigou Coal Mine of Ningxia Coal Industry Group.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句