The combined support with bolt,steel band,anchor rope,chain mesh and shotcrete is applied in the belt conveyor apparatus room in Donghai Coal Mine of Jixi Mining Industry Group.是什么意思_The combined support with bolt,steel band,anchor rope,chain mesh and shotcrete is applied in the belt conveyor apparatus room in Donghai Coal Mine of Jixi Mining Industry Group.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句