sublevel caving的例句大全

Study on a New Version of Sublevel Caving Method at a Gypsum Mine in China

无底柱分段崩落法新方案在石膏厚矿床的试验研究

gas drainage technology with upward hole installed gasper casing pipe in dynamic pressure district of sublevel caving faces

放顶煤工作面仰斜钻孔安设透气套管抽放动压区瓦斯

supporting techniques of preparation roadway for fully mechanized sublevel caving in the easily spontaneous combustion coal seam

易自燃煤层综放开采采准巷道支护技术研究

study on the effect law of top-coal caving and drawing properties in sublevel caving face

放顶煤开采顶煤冒放性影响规律研究

gas controlling during initial stage of production by high position roadway in full-mechanized sublevel caving face

后伪高抽巷治理综放面初采瓦斯

research of on-reef drift large section drawing in nonpillar sublevel caving method

无底柱分段崩落法沿脉进路大断面出矿研究

Study the automatic system of fully mechanized sublevel caving working face applying neural network control theory.

应用神经网络控制技术对综放工作面自动化系统进行了研究.

Sublevel caving without sill pillar is used in Xishimen Iron Mine.

西石门铁矿采用无底柱分段崩落采矿法开采.

The calculation on working resistances of supports has been one of key research questions sublevel caving.

支架工作阻力计算是综放开采研究的主要问题之一.

Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method.

分析了放顶煤开采顶煤冒放性的影响因素.

The structural parameters in pillarless sublevel caving such as sublevel height, sublevel drive interval and ore caving interval have a great influence on the ore recovery.

无底柱分段崩落法分段高度、进路间距和崩矿步距等结构参数对矿石回收指标影响大。

For those mines adopting the sublevel caving method, the large structure parameters of the natural lay are not suitable for the ore drawing in transition sublevel process.

采用无底柱分段崩落法回采的矿山，在向大结构参数的转变过程中，正常布置的大结构参数不适用于过渡分段的放矿。

Gob of sublevel caving will not cause ground surface downgoing.

崩落法开采形成的空区不会对地表造成沉降危害。空区不用处理，可以任其冒落；

Analysis of Mining Pressure in Sublevel Caving and Its Controlling Methods

无底柱分段崩落法采动地压规律分析及控制方法研究

Study on Movement Rule and Destabilizing Shock Disaster Control of Overburden Large Structure of Fully-Mechanized Sublevel Coal Caving Face

综放采场覆岩大结构运动规律及失稳冲击灾害防治研究

Design of Combination of Smooth Blasting and Double-wedge Cut for Roadway Excavation sublevel undercut caving method

双楔形掏槽方法和光面爆破技术的综合设计分段下部掏槽崩落开采