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fire resistance rating meaning in English

耐火等级
耐火性等级

Examples

  1. Standard method of fire tests of floor door assemblies installed horizontally in fire resistance rated floor systems
    适用于楼板防火系统水平安装用的楼板门组件的着火试验的标准方法

Related Words

  1. fire resistance period
  2. fire resistance properties
  3. fire resistance requirement
  4. fire resistance rolling shutter door
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