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ventilation rate
| procedure
| ventilation rate | |
| ecol. | 换气量 |
| el. | 通风强度 |
| oil | 换气率 |
| oil.proc. | 通风 率 |
| tech. | 换气次数; 通风量; 通风换气次数 |
| procedure | |
| gen. | 手续 |
| |||
| 换气量 | |||
| 通风强度 | |||
| 换气率 | |||
| 通风速率 | |||
| 换气次数; 通风量; 通风换气次数 | |||
| 通风率 | |||
|
ventilation rate procedure : 5 phrases in 3 subjects |
| Refrigeration | 2 |
| Sports | 1 |
| Technology | 2 |
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