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| 防火隔墙; 防火墙 | |||
| 防火间隔区段; 隔火墙; 耐火隔墙; 防火隔断 | |||
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fire partition : 15 phrases in 3 subjects |
| Hydroelectric power stations | 1 |
| Refrigeration | 1 |
| Technology | 13 |
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