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- Feasible drawing interval is the basis to study mining equipment of fully-mechanize coal mining with caving method. 综放开采的合理放煤步距是研制综放工作面成套技术装备的基础,是提高综放工作面采出率与煤质的关键之一。
- China is buying coal mining equipment from Poland and drilling for oil and gas in Ethiopia and Nigeria.It has poured hundreds of millions of dollars into Zambia's copper industry. 中国从波兰购买煤矿设备,在埃塞俄比亚、尼日利亚钻取石油和天然气,在赞比亚的铜业投入了大量的资金。
- Application of polyurethane rubber seals to coal mine equipment 聚氨酯橡胶密封件在煤矿设备上的应用
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- Fully mechanized coal mining equipment 综采设备
- fully - mechanized coal mining equipment 综采设备
- Probing into maintenance mode of main mining equipment in open-pit coal mine 露天煤矿主采设备维修方式的探讨
- Problems in Use of Home-made Fully Mechanized Coal Mining Equipment 国产综采设备在使用中存在的问题
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- We decided to open out a coal mine near the city. 我们决定在城市附近开发一煤矿。
- The coal mine was closed down due to exhaustion. 这煤矿因矿源枯竭而关闭了。
- They are developing a new coal mine. 他们在开发新煤矿。
- They sold the coal mine at a profit. 他们把煤矿卖掉赚了钱。
- Mine Equipment: ball mill, crusher, and other mineral processing equipment. 矿山设备有:球磨机、破碎机等选矿设备。
- China Geological Coal Mine Corp. 中国地方煤矿总公司。
- Coal Gas Factory of Datong Coal Mine Gro. 大同煤矿集团有限责任公司煤气厂。
- Large mining equipment cannot be operated on narrow benches. 大型采矿设备不能在窄台阶上操作。
- A passage or gallery in a coal mine. 通道煤矿中的通道或水平巷道