2) small and medium coal mines
中小型煤矿
1.
New gas concentration detection device for small and medium coal mines;
一种新型中小型煤矿瓦斯浓度检测装置
3) nationalized small and medium-sized coal mine
国有中小型煤矿
1.
Discussion on the appraising of the staff's effectiveness in the nationalized small and medium-sized coal mine enterprises;
论国有中小型煤矿企业员工的绩效考核
4) middle and small coal mine
中小煤矿
1.
According to the present stitutation of middle and small coal mines in our country,all kinds of existing problems are analyzed.
根据我国中小煤矿现状,针对存在的各种问题进行分析,提出了改革采煤方法、推广无煤柱开采、加强地质工作、衰老矿井资源挖潜等节约煤炭资源的有效途径。
2.
There are many middle and small coal mines in this county and it\'s economy is supported by coal production.
陕西省咸阳市旬邑县是煤炭资源丰富,中小煤矿企业比较多、以产煤为县域经济支撑的小县城,通过多年来对煤矿的监督监管及到山东、陕西、山西、贵州、云南等大部分地区考察,寻找到中小煤矿事故多发的原因,从而提出对策,能够给其他地方中小煤矿安全生产提供参考,但是也要清醒的认识到我国中小煤矿矿难频繁发生的复杂性、长期性、艰巨性,发动全社会来解决,使我国不仅是采煤大国更是采煤强国
6) Zhongling coal mine
中岭煤矿
1.
The thesis is on the basis of consulting and summarizing forefathers' experience, Through surveying and studying live, collecting the material theory studying and actual confirmation,through analysising rule of gas movement and gas tax saves of mining coal face of Zhongling coal mine, we find influence factor of mining coal face gas emissing quantity.
本论文在参考和总结前人经验的基础上，通过现场实际调研、收集资料、理论学习和实际验证，通过分析中岭煤矿采煤工作面瓦斯运移及赋存规律，归纳了影响采煤工作面瓦斯涌出量的因素。
补充资料：中型
1.中等规模;中等规格。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条