单词	doppler ultrasongraphy
释义	doppler ultrasongraphy 超声
随便看	preventives for fire preventive solution Preventive standard preventive step preventive sterilization preventive strategy preventive strategy and surveillance of disease preventive stratum preventive stress inoculation training preventive strike preventive strikes preventive substance preventive supervising and managing preventive surgical rehabilitation preventive system Preventive tactics preventive target preventive technique preventive techniques preventive technology preventive termiticide preventive test preventive test at distribution transformer Preventive testing preventive test of insulation