1.
Application of Fully Mechanized Coal Mining Face Crossing over Rock Crosscut in Tucheng Mine
综采工作面跨石门开采在土城矿的应用
2.
Mining Practice of Crossing the Working Surface Which Put Goes Against the Coal By Support Hangs Moving
悬移支架放顶煤工作面跨石门回采实践
3.
They were quarrying limestone.
他们在开采石灰石。
4.
Limestone had been carved away.
石灰石已被开采运走。
5.
a quarry worker who splits off blocks of stone.
一个开劈石头的采石工。
6.
pollution control in petroleum exploitation
石油开采的污染和防治
7.
onomically recoverable oil
可经济地开采的石油
8.
mining for gold, diamonds, etc
开采黄金、 金刚石等.
9.
To extract from a mine or from mined ore.
开采从矿或矿石中提取
10.
Economically minable limestone does not occur so frequently.
经济上值得开采的石灰石并不这样多。
11.
they extracted some calcium carbonate ores in the mine.
他们在矿上开采出了一些石灰质矿石。
12.
A guard opened the door of the train and the Commander got in.
一个卫兵打开火车门，扎达克跨了过去。
13.
The Analysis on the Development of International M&A in Chinese Petroleum Exploring Enterprises;
中国石油开发企业跨国并购发展研究
14.
A rock containing enough iron to permit commercial extraction; an iron ore.
铁矿石含有足够商业开采用铁量的岩石；铁矿石
15.
To excavate the earth for the purpose of extracting ore or minerals.
开矿，采矿为开采矿石或矿物而挖掘土地
16.
She ducked the interviewers by sneaking out the back door.
她从后门偷偷溜走, 躲开采访者。
17.
Research of near range overmining of Qinghemen coal mine
清河门矿近距离煤层群上行开采技术
18.
Only25 percent of all diamonds mined are good enough for cutting into gems.
所有开采出来的钻石中只有25%合于切割成宝石。