local ventilation

drawing back hydraulic powered support from coal mining face on mine fire with local ventilation flow control

区域风流控制法回撤火区工作面支架

a dynamic managing mode for blowing rate in local ventilation

局部通风风量动态管理

study on muffler device for local ventilation device

局部通风机消音装置的研制

Trends A Dynamic Managing Mode for Blowing Rate in Local Ventilation

局部通风风量动态管理

practices on local ventilation safety reliability upgrading and reconstruction of mine with high outburst in potential

高突矿井局部通风安全可靠性升级改造实践

practice of long -distance local ventilation in fully-mechanized coal winning roadway

综掘巷道长距离局部通风的实践

general ventilation, local ventilation, task air supply, air distribution, air supply, exhaust.

全面通风，局部通风，岗位送风，气流组织，送风，排风。

how to reduce power and air cut accidents in local ventilation faces

如何减少局部通风工作面的停电停风事故

research on fault diagnosis method of local ventilation equipment system in coal mine

矿井局部通风设备系统故障诊断方法研究

the mine local ventilation facilities incorporates a number of components, involving many types and reasons of the failure.

矿井局部通风设备系统包含多个组成部分，产生故障的理由和种类较多。

the accomplishment of the control of local ventilation fan based on the theory of pulsating ventilation

基于脉动通风原理的局部通风机控制的实现

Air duct pressure releasing device applied to long distance local ventilation

风筒卸压装置在长距离局部通风中的应用

finally, we combine experimental results with field data analysis, deduce the relation of co distribution with local ventilation resistance;

最后，结合实验结果和现场数据分析，得出工作面CO的分布与局部风阻的关系；

mine local ventilation facilities failure is one of the main reason which leads to the accident of gas explosions in heading face.

矿井局部通风设备故障是导致掘进工作面较易发生瓦斯爆炸事故的主要理由之一。

improving quality and effect of local ventilation in mine

提高井下局部通风的质量和效果

discussions on the improvement of quality of local ventilation at mines

改善矿山局部通风质量的探讨

research on fault diagnostics law of mine local ventilation equipment system

矿井局部通风设备系统故障诊断规则

Rational Utilization of Recycle Air-flow in Local Ventilation

局部通风中循环风流的合理利用

technology of design and application on local ventilation in mine

煤矿局部通风的设计与应用技术

technical reformation and application of local ventilation in mine

矿井局部通风的技术改造及应用

study of acquiring fault diagnosis rule for mine local ventilation facility system

矿井局部通风设备系统故障诊断

Notion of Variable Air Volume System A Dynamic Managing Mode for Blowing Rate in Local Ventilation

变风量空调系统探讨局部通风风量动态管理

study on the local ventilation resistance of multistage fan station

多级机站通风局部阻力的研究