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| 自动喷洒 | |||
| 自动灭火装置 | |||
| 自动灭火喷头; 自动喷水灭火装置; 自动洒水灭火装置; 自动喷洒灭火装置; 自动灭火喷淋器; 自动灭火机; 自动喷淋灭火器; 自动消防喷淋器 | |||
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automatic fire sprinkler : 5 phrases in 3 subjects |
| Nautical | 3 |
| Refrigeration | 1 |
| Technology | 1 |
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