| 1. | Detergent use will not eliminate a possible need for exhaust fans and air scrubbers .
采用净化剂并不能排除设置排气风扇和空气洗涤器。 |
| 2. | The exhaust fan is a piece of equipment that needs to be checked two or three times a year .
排风扇是整个设备的一部分，每年需要检查2至3次。 |
| 3. | If a greenhouse is extra tight, the airflow from the inlet side of the house to the exhaust fan will be relatively well confined .
如果温室很密闭，室内从进风面到排风扇的气流就比较好控制。 |
| 4. | Smoke exhaust fan 22 sets at 184 , 000cfm exhaust volume
排烟22只、排烟量184000cfm 。 |
| 5. | 2 each main exhaust pipe shall have one exhaust fan
一个风机控制一个主要的排气管道。 |
| 6. | 3 smoke exhaust fan 22 sets at 184 , 000cfm exhaust volume
3排烟22只排烟量184000cfm 。 |
| 7. | Seef : smoke extractor exhaust fan
排烟风机 |
| 8. | Smoke extractor exhaust fan
排烟风机 |
| 9. | 60mm exhaust fan
- 60mm抽风机风扇 |
| 10. | Ensure that you have adequate ventilation by opening windows and operating exhaust fans
打开窗户并开启抽气扇，确保室内空气流通。 |
