1.
Analysis of development features and affecting factors of the hard-to-recover area in north of block Du229
杜229断块北部难采区开发特征及影响因素分析
2.
A Study of Mining Technology for Hard-to-Mine Ore Body in Eastern Zone of Daye Iron Mine;
大冶铁矿东区难采矿体开采工艺研究
3.
A Plan for Mining of Complicated Gold Lode in Northern Area of Ying Gezhuang Mine
英格庄北矿区难采金矿脉开采方案研究
4.
The government act quickly to relieve the widespread distress cause by the earthquake.
地震造成广泛地区的灾难，政府迅速采取行动赈济灾民。
5.
The Government acted quickly to olor=# cc0066> relieve the widespread distress caused by the earthquake.
地震造成广泛地区的灾难,政府迅速采取行动赈济灾民.
6.
The Government acted quickly to relieve the widespread distress caused by the earthquake.
地震造成广泛地区的灾难, 政府迅速采取行动赈济灾民.
7.
It was difficult to procure food.
采购食品是困难的事。
8.
Study on the Overall Mining Technique for the Untouchable Orebody at Jile Ore-Section;
极乐矿段难采矿体采矿综合技术研究
9.
Research on Support of 9~# Difficult Mining Coal Seam of Fully Mechanized Mining Tunnel in Ximing Coal Mine
西铭矿9~#难采煤层综采巷道支护研究
10.
Research on the Mining Technology for Fully-mechanized Coal Mining Face in Steep Coal Seam Under Complicated Geological Condition
复杂难采煤层大倾角综采面回采工艺研究
11.
forest mining
"林区开采,见 tree mining"
12.
Research and Application of Full-mechanized Caving Mining with High Mining Height in Huaibei Mining Area
淮北矿区大采高综采放顶煤开采技术
13.
Research on Reliability of Mining Near Subsided Cavity
塌陷采空区近区安全开采可靠性研究
14.
Stope Roof-control techniques of the Seventh Difficult-excavated Ore Body in Dongxiang Copper Mine
东乡铜矿Ⅶ号难采矿体采场顶板控制技术
15.
No-operator Working Face Mining Research of Nearly Level Extremely Thin Coal Seam Being Difficult to Mine;
难采近水平极薄煤层无人工作面开采研究
16.
provision against possible disaster
为防备可能发生的灾难而采取的措施.
17.
They make provision against possible disasters.
他们采取措施防备可能发生的灾难。
18.
Better preempt to keep the opponent from bidding .
最好采用阻击叫，使对方难以参加竞叫。