radioelement 放射(性)元素
radio-equipped vehicle `配备无线电设备
railroad fire [消]铁路（沿线）火灾
railroad fire signal 铁路（沿线）火警信号
rake 1、[消]（用水枪射流）扫描（火） 2、[消]火耙
random event 随机事件
range fire [消]牧区火灾，草原火灾
rate of residual extinguishing medium 喷射剩余率
rated apparent power on valve side 额定阀侧视在功率
rated current on valve side 额定阀侧电流
rated voltage on valve side 额定阀侧电压
reaction to fire 对火反应
recconnaissance fire vehicle 勘察消防车
reconnaissance fire vehicle 勘察消防车
recrystal 再结晶
region responsibility system of plant maintenance 设备区域维修负责制
regulation of fore period management of plant 设备前期管理规定
relative density 相对密度
releasing test for fixed foam fire-extinguishing systems 泡沫灭火系统喷射试验
releasing test for fixed pressure water-spraying fire-extinguishing systems 水雾灭火系统喷射试验
reliability theory 设备的可靠性与可靠度
repair [设备]修理
repair cycle 修理周期
residual carbonized substance after fire 火场残留炭化物
residual magnetism in conducting wire short circuit caused by fire burning 火烧导线短路剩磁
residual value 残值
response to fire call 受理火警
reverse circulation valve 反循环阀
rigid piston valve 固定式汽阀
riot gun 防暴枪
rnterval between inspections 检查间隔期
roof resisting to external fire exposure 防火屋面
roof screen 闷顶隔板
roof smoke screen 屋顶挡烟隔板
roof vent 屋顶通风
rotary pump 旋转真空泵
rotary valve 球阀
running pump time 开泵时间
rabbit [核]（放射性样品）兔式速移器〈铝或塑料制的小圆柱体，用气压通过输送设备移动〉
raceway 电缆管道
rack 搁物架
rack space 储存架区
rack storage sprinkler [消]高架仓库洒水喷头〈自动喷头灭火系统的〉