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Draft curtain

防火帘：平时悬吊在仓库天花板,火灾时降下的铁帘,以防止火势蔓延。
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About the author

行走的孤狼 前台管理员

This guy is lazy,Introduction has not been set

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Problem dynamics

Release time
2016-08-08 00:00
Update time
2016-08-08 00:00
Focused
1 people pay attention to

Related issues

draft

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