sublevel caving的例句大全

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。

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 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.

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.

A computer-aided technical management for sublevel caving is established and its structural design, compositions and functions are introduced.

介绍了一种适用于无底柱分段崩落法的计算机辅助技术管理系统的结构设计、系统组成与功能等。

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

Review of Research on Ventilation Method of Entry for Sublevel Caving Method

无底柱分段崩落法进路通风方法研究综述

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。

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.

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

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；