通风网 meaning in English

air network

Development of filter self - rescuers mt standard testing equipment
通风网孔阻力增阻测量法
Application and computing method for mine ventilation network
矿井通风网路计算方法及应用
The development of visual calculating program for mine ventilation network
矿井通风网路解算程序的可视化实现
Calculation of total ventilation resistance of mine y - diagonal ventilation network
矿井角联通风网路总风阻的计算