同义词
1)light hazard occupancy,低火险用房2)light hazard,低火险用房3)low-hazard occupancy,低火险用房4)low fire,低火口5)low hazard,低火险6)low fire hazard cable,低火灾电缆7)low-hazard content,低火险屋内物品8)occupancy of low fire load,低火灾负荷用房9)low-fired porcelain,低温瓷器，低火度瓷器10)low-fire start,燃烧器点火时低火焰运行
