RECG=radioelectrocardiograph 无线电心电描记器
RECabbr.录制(=record)
rectifier units整流机组
reclamation law开垦法
receiving valve接收阀
receiving level接收电平
receiving guide进口导板
recove premises收回房产
receiving state接受国
recycling range回收范围
receiving point受振点
receiving auger接受螺旋