fire rated

基本解释

In the process the NRC has done some tests with some of this insulation, it was supposedly fire rated.
在这个过程中，NRC已经做了些测试,它可能是耐火的。
In addition to the above services, our company also provides worldwide quality fire-rated building materials.
另本公司除提供以上各项服务外，亦经营世界各地价质防火建材。
fukin-fire.com
The device complies with all national and regional building codes for locking exit doors and elevator-lobby and stairwell fire-rated doors.
该设备符合所有国家和地区关于建筑物中紧急出口门、电梯大堂及楼梯间防火门的法规规定。
www.21csp.com.cn

If Farley figures that liquidated companies cut more workers than those that emerge from bankruptcy, then by the same logic he might conclude that junk-rated defaulting companies backed by private equity are probably more likely to fire and not hire than investment-grade companies.
FORBES: Private Equity Booster Misleads New York Times Readers On Jobs Record