Stopping up the remote mountains, the supply line is long and the traffic is very difficult, the elevation of mining area is more than 3500 meters.是什么意思_Stopping up the remote mountains, the supply line is long and the traffic is very difficult, the elevation of mining area is more than 3500 meters.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句