1.
Hygienic standard for environmental meteorology in underground workplace of coal mine.
煤矿井下采掘作业地点气象条件卫生标准.
2.
Extractive industry, however, is not confined to the extraction of materials.
不过，采掘业并不限于 采掘原料。
3.
Magnetic resonance imaging for the wrist joint of the coal miners in vibration department;
煤矿采掘振动作业工人腕部的核磁共振表现
4.
ploration costs in extractive industries
采掘工业中的勘探成本
5.
The miners worked at the face for 5hours.
矿工在采掘面上工作了5小时。
6.
The miners worked at the face eight hours a day.
矿工们在采掘面上每天工作八小时。
7.
The miner work at the face eight hour a day
矿工们在采掘面上每天工作八小时
8.
Technology of Supporting Super High Roadway in Large-height Mining Face
大采高工作面超高巷道掘进支护技术
9.
So, also, in the case of a mine of precious stones.
宝石采掘业的情况也是如此。
10.
extractive industry, as it has been aptly named by M. Dunoyer .
邓诺耶恰当地称其为采掘业。
11.
Conservationist tenant preferred, but extractive forestry also considered.
保育人士优先考虑，但采掘业也会考虑。
12.
Research on the Accounting Standard about the upper Reaches Activity in Extracting Industries;
采掘行业上游活动会计准则问题研究
13.
New Carter products, mining roadheader, with very high working efficiency, and good safety feature, obtain the aim of mining mechanization.
新产品掘进机工作效率高、全性能好，实现了采掘机械化。
14.
Materials that have been excavated.
发掘物采掘出的材料
15.
I think after all these jobs have been done, the excavating of ore can begin.
我想这些工作完成后，就可以采掘矿石了。
16.
On Fire Precaution Called Downwards Ventilation Used in the Combined Coal Face;
沿空掘巷综采工作面下行通风防灭火预防
17.
Applying Continuous Mining Machine to Driving Mining Roadways in Fault Broken Zone
应用连采机在断层破碎带中掘进工作面巷道
18.
Research on Amount of Gas Emission Prediction Software of Working Face Based on VC++
基于VC++的采掘工作面瓦斯涌出量预测软件研究