 |
| |||
| dust removal efficiency | |||
| dust-catching efficiency | |||
| dust removal factor | |||
| коэффициент пылеулавливания: 4 phrases in 3 subjects |
| Construction | 1 |
| Natural resourses and wildlife conservation | 2 |
| Occupational health & safety | 1 |
|
| |||
| dust removal efficiency | |||
| dust-catching efficiency | |||
| dust removal factor | |||
| коэффициент пылеулавливания: 4 phrases in 3 subjects |
| Construction | 1 |
| Natural resourses and wildlife conservation | 2 |
| Occupational health & safety | 1 |