Continuous s Miner crew连采队
continuous s miner采煤联合机
continuous surface miner露天连续采矿机
Continuous Miner crew连采队
continuous miner-bolters连续采煤机的烤盘;连续采煤机;帮锚杆
continuous miner modified连续矿工修改;连续采煤机修改;不断矿工修改
Continuous miner with duct assembly发明名称