您要查找的是不是：
- 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。
- Fully mechanized coal mining equipment 综采设备
- fully - mechanized coal mining equipment 综采设备
- 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
- 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。
- 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
- Large mining equipment cannot be operated on narrow benches. 大型采矿设备不能在窄台阶上操作。
- Coal mining has always been a dangerous occupation. 采煤向来是一种危险职业。
- General bituminous coal mining; Motor freight. 一般烟煤开采；汽车货运。
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- The landscape was destroyed by coal mining. 自然景观由于挖煤而受到了破坏。
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- Jiamusi Coal Mining Machinery Co. 和佳木斯煤矿机械有限公司。
- XUZHOU COAL MINING GROUP CO., LTD. 江苏徐州矿务集团有限公司。
- A coal mining boom has swept across north China. 煤炭行业的繁荣,在华北到处可见。
- 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。
- Heilongjiang Coal Mining Machinery Group Co. 宣布,已向国有黑龙江煤矿机械集团有限公司。
