1) thin and thick seam with steep dip
急倾斜较薄厚煤层
1.
The paper study thin and thick seam with steep dip mining technique of 7417 fully mechanized top-coal caving face,in Zhangshuanglou coal mine,introduce to coal mining method and equipment anti-skid successful experience,provide reliable use for reference mining of resemble face.
通过对张双楼煤矿7417综采放顶煤工作面急倾斜较薄厚煤层开采技术的综合治理研究,系统的介绍了采煤方法、设备防倒防滑的成功经验,可供相似复杂条件下综放面的安全开采借鉴。
2) steeply inclined and extremely thick coal seam
急倾斜特厚煤层
1.
Frequent and violent underground pressure behavior and dynamic disaster made roadways deform and damage instantaneously in full-mechanized caving mining face with horizontal sections in steeply inclined and extremely thick coal seam.
针对急倾斜特厚煤层水平分段综放工作面回采巷道频繁出现强烈矿压显现和动力灾害造成巷道瞬间变形破坏现象,通过现场测试和理论分析研究动力灾害发生机理,采取综合防治措施,很好地解决了动力灾害问题,促进了矿井安全生产。
3) steep-inclined super-thick coal seam
急倾斜持厚煤层
4) steep inclined thick seam
急倾斜厚煤层
1.
Support design of roof gateway with slicing method in steep inclined thick seam;
急倾斜厚煤层分层开采顶板巷支护设计
5) steep medium-thick seam
急倾斜中厚煤层
1.
The mining method with longwall,strike and back, and management methods after mining in steep medium-thick seam are introduced,including using hydraulic prop,using three kinds of protecting mthods,and keeping rock wall beforehand,which is applied in retaining roadvays along goaf after mining.
介绍了急倾斜中厚煤层走向长壁后退式采煤方法及采后管理的具体方法、方案及措施,即急倾斜中厚煤层采用单体支护,设好三防措施,在施工顺槽巷道时,提前预留石墙,做为采面回采后沿空留巷使用。
6) steep thin seam
急倾斜薄煤层
1.
The percent of steep thin seam is greater in Qitaihe coal mining area.
在七台河矿区,急倾斜薄煤层开采所占比重较大,采场条件差,单产较低,危险性高。
补充资料：雠较
1.亦作"雠较"。 2.校对。
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