 |
smoke prevention
| and
| dust control
| smoke prevention | |
| environ. | 防烟 |
| AND | |
| el. | 与 |
| and | |
| gen. | 并; 及; 和 |
| busin. | 以及; 与 |
| dust control | |
| agric. chem. | 除尘 |
| |||
| 防烟 | |||
| 烟雾防护; 烟雾防治; 除烟法 | |||
|
smoke prevention and dust control : 5 phrases in 2 subjects |
| Technology | 4 |
| Textile industry | 1 |
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