ventilation leakage

Regarding the problems existed in present theory of air leakage of ventilation pipe, this paper puts forward a new index to evaluate the air leakage of the pipe line.

本文针对现有通风管路漏风理论存在的问题，提出了通风管路漏风新的评价指标；

Application of Chemical grouting in leakage-prevention of fine fissure in deep well in west ventilation mine of Xinglong-zhuang coal mine

化学注浆在兴隆庄煤矿西风井深井井筒微裂隙防渗中的应用

In mechanical high-grade SBO, small bowel follow-through study has a limitation in emergency use. A simulation case shows that the method can efficiently locate all air leakage points hiding in a ventilation system.

急诊应用小肠通过试验对诊断重度机械性SBO病例有一定难度。仿真试验表明，该方法能准确推断出通风网络中隐藏的所有漏风点。

It not only saved cost, but also blocked the air leakage of ventilation system.

既节约了设备费用,又解决了矿井通风系统的漏风问题, 同时又不影响行车运输.

Using air curtain for blocking air leakage in ventilation system

空气幕技术在阻断矿井漏风中的应用