您要查找的是不是:
- Liu township coal mine enterprises. 乡镇企业有刘沟煤矿。
- A gas explosion at a township coal mine in Pingdingshan, Henan, early on Tuesday killed 35 people with 44 others reported trapped. 8日凌晨,河南省平顶山市一煤矿发生瓦斯爆炸事故,35人遇难,仍有44人被困井下。
- With regard to township coal mines,the State shall adopt the policies of support,transformation,rectification,merging and upgrading,so that they shall exploit the resources in a regular and rational manner and in good order. 国家对乡镇煤矿采取扶持、改造、整顿、联合、提高的方针,实行正规合理开发和有序发展。
- With regard to township coal mines, the State shall adopt the policies of support, transformation, rectification, merging and upgrading, so that they shall exploit the resources in a regular and rational manner and in good order. 国家对乡镇煤矿采取扶持、改造、整顿、联合、提高的方针,实行正规合理开发和有序发展。
- Inelasticity problems exist in technology and management for safety monitoring and controlling system for township coal mine,which make it difficult in being effective in practice. 乡镇煤矿现有安全监测系统在技术和管理上都存在不适应性问题,难以发挥其应有的作用。
- Discussion on dust hazards in a township coal mine 某乡镇煤矿粉尘危害问题的探讨
- The high Accident rate analyses of the township coal mines 乡镇煤矿事故多发原因及治理对策
- Proposals on registered safety engineer office set up for township coal mines 乡镇煤矿设立注册安全工程师事务所的建议
- 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。
- Introduction about the Simple Control Measure of Partial Gas Treatment in the Mine Working Face of Township Coal Mine 乡镇煤矿回采工作面局部瓦斯治理简易方法
- Township enterprises mainly in coal mining. 乡镇企业以开采煤炭为主。
- township coal mines 乡镇煤矿
- village and township coal mines 乡镇煤矿
- Some coal mines had to shut down. 有些煤矿不得不关闭。
- Many coal mines are careless with worker safety. 很多煤矿对工人的安全问题根本不管不顾。
- There are many coal mines in the north. 北方有许多煤矿。
- There was a terrible blast in the coal mines. 矿坑中发生了可怕的爆炸声。
- Coal mines have given collectors good samples. 煤矿给(化石)收集者提供了很好的样品。
- Foul or poisonous gas that sometimes pollutes the air in coal mines. 矿井瓦斯,有毒气体矿井中有时污染空气的恶臭气体或有毒气体