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| 火灾阻止器遮断器 | |||
| 挡火闸 | |||
| 防火阀 | |||
| 防火风闸; 燃烧器风门 | |||
| 防火气闸 | |||
| 防火挡板 | |||
| 耐火风门; 火灾阻止器; 火灾遮断器; 挡火板; 防火门 | |||
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| 火焰调节阀 | |||
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fire damper : 19 phrases in 5 subjects |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Refrigeration | 2 |
| Steel production | 1 |
| Technology | 14 |
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