| |||
air-cleaning facility | |||
air cleaning facility | |||
air cleaning installation | |||
air cleaner | |||
air elutriation apparatus | |||
air purification unit | |||
air cleaning equipment; air cleaning unit; air purification equipment | |||
| |||
air-purification machinery |
空气净 化 装置 : 5 phrases in 2 subjects |
Refrigeration | 2 |
Technology | 3 |