| 1. | 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 |
| 2. | 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 |
| 3. | 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 |
| 4. | 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 |
| 5. | 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 |
| 6. | Particulate air filters for general ventilation - determination of the filtration performance ; german version en 779 : 2002
一般通风用空气颗粒过滤器.过滤性能测定 |
| 7. | Ventilation for buildings - ductwork - dimensions of circular flanges for general ventilation ; german version en 12220 : 1998
建筑物内通风.空气管道.一般通风用圆形法兰尺寸 |
| 8. | According to chinese industry standard ( jbj10 - 96 ) , the form of ventilation and dust removal in workshop which has changeable dust source is general ventilation
根据国家行业标准（ jbj10 - 96 ）规定，具有变动尘源的厂房要采用全面通风进行通风除尘。 |
| 9. | As far as the large workshop with changeable dust is concerned , the general ventilation is expensive , depletive , and , at the same time , ca n ' t meet the request of environmental protection
但是，对于有变动尘源的高大厂房而言，采用全面通风不但运行费用高、耗能大，而且不能满足环保节能的要求。 |
