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- reduce mining height 降低采高
- A FEM NTA coupling model is set up for simulation of mining conditions at great mining height with an overlying rocks of low tensile strength. 建立了大采高工作面支架系统可靠性的计算模型,通过系统可靠性参数的分析,提出了提高支架系统可靠性的途径。
- FEM NTA coupling model is set up for simulation of mining conditions at great mining height with an overlying rocks of low tensile strength. 在重点模拟大采高条件下覆岩低抗拉特性的基础上，建立了“大采高FEM-NTA耦合模型”。
- The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine,such as shallow buried depth,thin bed rock and thick aeolian sand. 大采高液压支架是针对上湾矿煤层浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
- And the results show that with the increase of mining height, the surface subsidence and horizontal movement value increase, while the subsidence factor decreases in nonlinear. 结果表明：在采深和采出率等条件相同的情况下，地表下沉值和水平移动值均随采厚的增加而增大，而下沉系数随采厚的增加以非线性关系逐渐减少。
- Because the increase of mining height in fully-mechinzed coal winning caving roof,it brings convenient and both brings the changing of rock rationlations. 大采高综放工作面由于机采高度的加大,在给工作面生产带来便利的同时,也带来支架与围岩关系的变化。
- The results indicate that the main factor influencing the capacity matching of the conveyors in front and behind is the ratio of mining height to caving height. 指出了影响综放工作面前后部刮板输送机能力匹配的主要因素是采放高度比；
- A new method is presented,namely concrete scroll rockbolt supporing .Not only does it improve the security of working and reduce mining costs,but also it accelerates tunneling speed. 文中介绍了一种用水泥卷锚杆支护的掘进新工艺,不但工作安全可靠,降低了掘进成本,而且大大提高了掘进速度。
- The paper introduces roof control methods of goaf of large mining height fully-mechanized face by artificial forced caving with deep-hole blasting at seam 14 of Silaogou Mine and analyzes the effect. 介绍大同煤矿集团公司四老沟矿14%23层404盘区8402大采高综采工作面人工强制深孔爆破处理采空区顶板的技术,并对其效果进行了分析。
- Mine accident is a ponderous topic,and the matter of reducing mine accident has become an urgent task. 矿难是一个沉重的话题,如何遏制矿难则是一个严峻的课题。
- Keywords large mining height;support;downslide; 大采高;支架;下滑;
- fully mechanized coal mining with big mining height 大采高综采
- fully mechanized mining with great mining height 大采高综采
- large mining height top - coal caving 大采高综放
- The only way to do that is to reduce expenses. 做到这一点的唯一办法是减少开支。
- hydraulic support with large mining height 大采高液压支架
- He is on a diet to reduce some weight. 他正在节食以减轻体重。
- He is trying to reduce the family's expenses. 他正尽力减少家庭开支。
- Better reduce the price than allow a discount. 与其给折扣，不如减价。
- Step must be taken to reduce the problem to manageable proportions. 必须采取措施将问题缩小到可控制的范围。
