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关注：1
2013-05-23 12:21
求翻译：试件安装在钢质隔热防火门扇中部是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
试件安装在钢质隔热防火门扇中部
问题补充： |
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2013-05-23 12:21:38
Specimen heat and fire doors installed in the central steel
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2013-05-23 12:23:18
thermal insulation materials installed in steel fire doors in Central
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2013-05-23 12:24:58
The test sample installs middle the steel heat insulation fire protection door leaf
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2013-05-23 12:26:38
Test piece installed in Central steel insulated fire doors
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2013-05-23 12:28:18
The test sample installs middle the steel heat insulation fire protection door leaf
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