1.
Adjacent wall(s) with fire-resistance rating less than 2 hours.
附近防火等级小于两小时的墙
2.
Adjacent wall(s) with fire-resistance rating of 2 hours or greater.
防火等级两小时或更高的附近的墙
3.
Enter the designer specified fire rating as a duration, such as 30 minutes.
输入设计人员指定的防火等级（持续时间），例如 30 分钟。
4.
Portions of wall less than 10 ft (3 m) (measured horizontally) from any part of a system shall have a fire-resistance rating of at least 1 /2 hour.
距离系统小于10英尺（水平测量）的墙的任何部分应该有至少半小时的防火等级
5.
Discussion on the fire protection design of the reconstruction of class IV historical building
四级耐火等级历史沿用建筑改造的消防设计
6.
National Association of State Fire Marshals
全国州级防火长官协会
7.
B class fire-proof door
bb>级b>b>防火b>b>门b>
8.
Classification and test methods for fire retardancy of finishing fire retardant paints-- Classification for fire retardancy
GB15442.1-1995饰面型防火涂料防火性能分级及试验方法防火性能分级
9.
Dust and fog protected under sealed condition, IP44.
独特的密封式设计，防尘、雾，防护等级IP44。
10.
B1 grade with fireproof and burning retarding functions makes fire and water no chance to damage floor.
标准的B1级防火阻燃功能，使得地板水火不侵。
11.
The grade of ACQ antiseptic material is due to the class of the wood.
（一）ACQ防腐处理材等级由锯材的不同等级决定。
12.
Information technology Security requirements for application level firewall
信息技术 应用级防火墙安全技术要求
13.
functional finish
功能整理（指防雨、防火、防蛀、防缩防皱等各种特种用途整理）
14.
classes of forest fire
森林火灾的等级森林火灾大小或范围的分类法
15.
Fire Coyote Co+Yo+Te Increases physical resistance. Increases burn spell level.
火焰增加物理抗性，增加火焰灼伤效果等级。
16.
Classification and test methods for fire retardancy of finishing fire retardant paints-- Cabinet method
GB/T15442.4-1995饰面型防火涂料防火性能分级及试验方法小室燃烧法
17.
Classification and test methods for fire retardancy of finishing fire retardant paints-- Tunnel method
GB/T15442.3-1995饰面型防火涂料防火性能分级及试验方法隧道燃烧法
18.
Classification and test methods for fire retardancy of finishing fire retardant paints-- Big panel method
GB/T15442.2-1995饰面型防火涂料防火性能分级及试验方法大板燃烧法