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- ventilation of coal mine well 煤矿通风
- Through the reform practice of coal mine well ventilated machine,this article analyzes the ideas to renew the coal mine electromechanical equipment and sums up experiences briefly. 本文通过对煤矿通风机的改造实践,探讨煤矿机电设备更新换代的思路并进行简要经验总结。
- The local ventilator of coal mine 煤矿局部通风机
- The discovery of coal mine in the area enriched the people there. 这个地区煤矿的发现使得那里的人民富裕起来了。
- Keywords The local ventilator of coal mine;Change voluntarily; 煤矿局部通风机;自动转换;
- Supply transformers for underground coal mine well are earthed at neutral point. 很多地方煤矿在供电方面存在不安全的隐患,向井下供电的变压器中性点接地。
- Introduces the present status and problems of coal mine ventilation management,develops the dynamic management system for mine ventilation. 介绍了煤矿通风管理的应用现状及存在的问题,研究开发了煤矿动态通风管理系统。
- He tried to regularize the management of coal mines. 他试图将煤矿的管理系统化。
- While conveying the coal slope roadway in coal mine well,hydraulic drawwork has become the main equipment conveyance including person. 在煤矿井下采区倾斜巷道运输中,液压绞车已成为一种包含运人的主要运输设备。
- There used to be a lot of coal mines here, usedn't there? 这儿从前有过很多的煤矿,对吗?
- This paper gives a numerical method of coal mine hoist jour. 文章给出了矿井提升机行程的数字检测方法和提高行程检测系统可靠性的有效方法。
- The main content of this paper introduces that adjusting speed and energy saving is the best plan on the main fan of coal mine,through analyzing the characterful chart of the ventilation system. 通过对通风系统特性曲线和应用实例的分析,说明调速节能是矿井主通风机改造的优选方案。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- The author applied TEM on the investigation of coal mine gob in a coal mine in Shandong province and a city in Hebei province,and all the two projects have been well justified. 笔者将瞬变电磁法用于新汶某煤矿边界老窑采空区探测及河北某城镇采空区圈定,均取得良好的效果。
- The subsidence is one form of coal mine secondary of the geological calamity. 摘要采煤塌陷为煤矿山次生的地质灾害形式之一。
- The actuality of monitoring system of coal mine in china is introduced. 介绍了我国煤矿监控系统的现状,并由此提出了一种基于电力线通信的煤矿综合监控系统。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- To guide and administer qualification certification of coal mine directors. 指导和管理煤矿矿长资格证颁发工作。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
