general ventilation meaning in English

全面通风

Ventilation for buildings - ductwork - dimensions of circular flanges for general ventilation
建筑物通风.管道作业.一般通风用圆法兰
Particulate air filters for general ventilation - determination of the filtration performance
一般通风用空气颗粒过滤器.过滤性能测定
Particulate air filters for general ventilation - determination of the filtration performance
一般通风用微粒空气滤清器.过滤性能的测定
Ventilation for buildings . ductwork . dimensions of circular flanges for general ventilation
建筑物的通风.管道工程.一般通风用圆形法兰盘的尺寸
Method of testing general ventilation air - cleaning devices for removal efficiency by particle size
通过粒度测试通用通风空气净化设备排除效率的测试方法

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