原创 2018-01-24 刘惠 瑞峰 金辉 神东之声
详情请阅读:
http://mp.weixin.qq.com/s/Cbz4MYUKNC_jZhnRtIrCcg
The 8.8 super high hydraulic support creates the world record of the supporting height and with these equipment, the mine is estimated to produce 16million tons of Coal for a single face.