1.
pit closures, eg closing of coal-mines because they are uneconomic
矿山关闭（如因不经济而关闭煤矿）
2.
Article 33 Coal mines shall be closed or abandoned in accordance with the relevant laws and regulations as well as the rules of the department in charge of the coal industry under the State Council.
第三十三条 关闭煤矿和报废矿井，应当依照有关法律、法规和国务院煤炭管理部门的规定办理。
3.
Some coal mines had to shut down.
有些煤矿不得不关闭。
4.
Study on mine closure for recourses exhausting and model optimization of economic transition programming in Jiaozuo city;
焦作市煤矿衰竭关闭与城市转型规划分析
5.
China has announced plans to close more than48- hundred small coal mines in an effort to reduce the number of mining accidents.
中国宣布了一项关闭4千8百多家小煤矿的计划，目的是减少煤矿事故。
6.
Study of a New Signal Centralized and Locking System
一种新型煤矿“信集闭”系统的研究
7.
Track Haulage Supervision System of Coal Mine Locomotive Based on CC-Link Fieldbus
基于CC-Link的煤矿机车运输“信、集、闭”系统
8.
Application of Signal,Concentrated,Blocking System in Underground Coal Mine
浅谈“信、集、闭”系统在煤矿井下的应用
9.
Stability Analysis for New Mine Air Stopping of Goaf
煤矿新型永久密闭研究与稳定性分析
10.
Reconstruction Plan of Coal Slurry Closed Circulation in Fangezhuang Coal Preparation Plant
范各庄矿选煤厂煤泥水闭路循环改造方案
11.
The mines have been closed by a strike .
由于罢工矿井关闭了。
12.
That disaster prompted Chinese officials to order almost one-third of the country's coalmines to close and improve safety measures.
那起事故促使中国官员下令关闭中国全国将近三分之一的煤矿，改善安全措施。
13.
The main targets for this year's closedown and bankruptcy are enterprises hopeless in turning from loss-making in coal, non-ferrous metal, metallurgical and ordnance industries, as well as mines whose resources are exhausted.
今年破产关闭的重点是煤炭、有色、冶金、军工行业中扭亏无望的企业和资源枯竭的矿山。
14.
Application of Bi-residual Normally-closed Steep Well Running Car Protective Device in Collieries
双余度常闭式斜巷跑车防护装置在煤矿的应用
15.
of coal, as contrasted with coal obtained from a strip mine.
关于煤，与从露天矿中开采的煤相对的。
16.
Key Technologies on Fully Mechanized Top Coal Caving Mining of Ultra Thick Seam in Tashan Mine
塔山煤矿特厚煤层综放开采关键技术
17.
Attention to the Coal Mine Safety Supports Blue Sky for the Miner
关注煤矿安全——为矿工撑起一片蓝天
18.
It' s a bleak look-out for the coal industry as the number of pit closures increases.
煤井关闭的数目日多, 煤炭工业前景暗淡.