| |||
通风风扇 | |||
排风机; 抽气装置 | |||
引风机; 通气风扇; 通风机 | |||
排气扇; 通风扇 | |||
吸风机; 无通风; 无气流; 无穿堂风; 抽风机; 风扇; 排烟风扇; 通风计; 通风风扇 | |||
排风扇 | |||
| |||
引风机 |
draft fan : 39 phrases in 11 subjects |
Architecture | 1 |
Automobiles | 4 |
Chemistry | 3 |
Electronics | 2 |
General | 3 |
Metallurgy | 3 |
Nautical | 3 |
Oil / petroleum | 3 |
Oil processing plants | 1 |
Refrigeration | 4 |
Technology | 12 |