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入口管道
| 通风
| 入口管道 | |
| el. | access pipe |
| 通风 | |
| environ. | aeration; ventilation |
| forestr. | aeration |
| met. | air draught; airing; draught |
| tech. | ventilation |
| |||
| access pipe | |||
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入口管道 : 8 phrases in 3 subjects |
| Automobiles | 1 |
| Electronics | 3 |
| Technology | 4 |
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