| RA | 回风ReturnAir | |
| RA | 回风ReturnAir | |
| RAF | 回风机ReturnAirFan | |
| RAF | 回风机ReturnAirFan | |
| RAG | 格栅式回风口ReturnAirGrille | |
| RAG | 格栅式回风口ReturnAirGrille | |
| RAO | 回风开口ReturnAirOpening | |
| RAO | 回风开口ReturnAirOpening | |
| RAP | 回风花板ReturnAirPerforatedPlate | |
| RAP | 回风花板ReturnAirPerforatedPlate | |
| RAR | 格栅式回风口附风门ReturnAirRegister | |
| RAR | 格栅式回风口附风门ReturnAirRegister | |
| RD | 屋顶落水头RoofDrain | |
| RD | 冷媒式乾燥机RefrigerationDryer | |
| RD | 冷媒式乾燥机RefrigerationDryer | |
| RD | 屋顶落水头RoofDrain | |
| RF | 屋顶通风扇RoofFan | |
| RF | 屋顶通风扇RoofFan | |
| RFCart | 通道式分拣系统无线台车拣选系统 | |
| RFReader | 射频识别器 | |
| RFtag | 射频标签 | |
| RH | 相对湿度RelativeHumidity | |
| RH | 相对湿度RelativeHumidity | |
| RL | 冷煤液体管RefrigerantLiquidPipe | |
| RL | 冷煤液体管RefrigerantLiquidPipe | |
| RMAReturnMaterialAudit | 退料认可 | |
| ROPrateofpenetrate | 机械钻速 | |
| ROPrateofpenetrate | 机械钻速 | |
| RP | 冷煤泵RefrigerantPump | |
| RP | 冷煤泵RefrigerantPump | |
| RPM | 转速RevolutionPerMinute | |
| RPM | 转速RevolutionPerMinute | |
| RS | 冷煤吸入管RefrigerantSuctionpipe | |
| RS | 冷煤吸入管RefrigerantSuctionpipe | |
| RT | 冷冻吨TonsOfrefrigeration | |
| RT | 冷冻吨TonsOfrefrigeration | |
| RWP | 回水管ReturnWaterPipe | |
| RWP | 回水管ReturnWaterPipe | |
| RackFork | 无轨堆垛机 | |
| RackForkStocker | 高架叉车仓库 | |
| RackMezzanine | 阁楼货架系统 | |
| RackStorageSystem | 吊货架储存系统 | |
| RadioFrequency | 拣选系统 | |
| RandomRadiography | 随机射线照相检查 | |
| RandomRadiography | 随机射线照相检查 | |
| RandomRadiography | 随机射线照相检查 | |
| RatedPower | 额定功率 | |
| RatedVoltage | 额定电压 | |
| ReachForkLiftTrucks | 前移式叉车 | |
| RemoteControl | 遥控装置 | |
| Renaultnumber | 雷诺数 | |
| Renaultnumber | 雷诺数 | |
| Reverberatoryfurnaces | 反射炉 | |
| Reverberatoryfurnaces | 反射炉 | |
| Rivetgun | 拉钉枪 | |
| Rivettable | 拉钉机 | |
| RobotPalletizer | 码垛机器人 | |
| RollPallets | 物流台车 | |
| RollerConveyors | 滚道输送机 | |
| Rollers | 滚筒 | |
| Rollers | 滚筒 | |
| Rollingmachines | 辗压机 | |
| Rollingmachines | 辗压机 | |
| RotaryEvaporators | 旋转蒸发仪 | |
| Rotarytables | 转台 | |
| Rotarytables | 转台 | |
| race | 滚道 | |
| race | 滚道 | |
| raceway | 滚道 | |
| raceway | 滚道 | |
| raceway | 电缆管道 | |
| raceway | 电缆管道 | |
| raceway | 电缆管道 | |
| raceway | 滚道 | |
| raceway | 滚道 | |
| raceway | 滚道 | |
| racewaygrindingmachine | 轴承滚道磨床 | |
| racewaygrindingmachine | 轴承滚道磨床 | |
| racing | 急转 | |
| racing | 急转 | |
| racingcar | 赛车 | |
| racingcar | 赛车 | |
| racingtyre | 跑车车胎 | |
| racingtyre | 跑车车胎 | |
| rack | 齿条 | |
| rack | 机架 | |
| rack | 齿条 | |
| rack | 机架 | |
| rack | 齿条 | |
| rack | 机架 | |
| rack | 齿条 | |
| rack | 齿条 | |
| rackandpiniongear | 齿条与小齿轮传动装置 | |
| rackandpiniongear | 齿条与小齿轮传动装置 | |
| rackandpinionjack | 齿条齿轮千斤顶 | |
| rackandpinionjack | 齿条齿轮千斤顶 | |
| rackandpinionpress | 齿轮齿条传动压力机 | |
| rackandpinionpress | 齿轮齿条传动压力机 | |
| rackcutter | 梳形刨齿刀 | |
| rackcutter | 梳形刨齿刀 |

