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〉