词汇	umbilical blood vessel
释义	umbilical blood vessel 脐血管
随便看	machine-check interruption machine check interruptionMCI machine check logout machine check mask machine check masking machine check mode machine check recording and recovery machine check recording and recoveryMCRR Machine check recovery option LT machine check summary counter machine chest machine circuit diagram machine civilization machine class machine classes machine classs machine-cleaned pulled wool machine-cleaned sheepwool machine-cleaned sheepwool,1st grade machine-cleaned sheepwool,2nd grade machinecleaning machine cleaning machine-cleaning machine-coated board machine coated paper