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关注：1
2013-05-23 12:21
求翻译：alarm valve for sprinkler system for fire protection,3 different type:1,dry systemm 2.wet system 3.pre-action system 。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
alarm valve for sprinkler system for fire protection,3 different type:1,dry systemm 2.wet system 3.pre-action system 。
问题补充： |
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2013-05-23 12:21:38
报警阀自动喷水灭火系统，防火，3种不同类型：1，干systemm 2.wet系统3.pre行动。
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2013-05-23 12:23:18
alarm valve for sprinkler system for fire protection, and 3 different type: 1, dry systemm, wet system 3, pre-action system.
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2013-05-23 12:24:58
正在翻译，请等待...
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2013-05-23 12:26:38
alarm valve for sprinkler system for fire protection,3 different type:1,dry systemm 2.wet system 3.pre-action system 。
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2013-05-23 12:28:18
alarm valve for sprinkler system for fire protection,3 different type:1, dry systemm 2.wet system 3.pre-action system.
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