auxiliary fan meaning in Hindi

Examples

1. Technical specification for auxiliary fans used for mine
2. Methods to reducing noise produced by auxiliary fan in mine
3. Improvement of model fd contra - rotating auxiliary fan
4. Technical specification for contrarotating auxiliary fans
5. Using auxiliary fan to treat gas in upper corner
6. Test study of two - speed contra - rotating auxiliary fan
7. Development of auto - shifting device of auxiliary fan
8. Application of intelligent double - auxiliary fan special switch
9. Automatic rotate device of auxiliary fan
10. Design and application of auto - shifting device of auxiliary fan