词汇	direct sum of rings
释义	direct sum of rings 环的直和
随便看	Cervical tuberculous lymphadentis Cervical tumor cervical tumour cervical tunnels Cervical type cervical uterine applicator cervical uterine polyp Cervical/vaginal cytology Cervical-vaginal lavage cervical-vaginal lavage solution cervical vascular injury Cervical vein cervical vein,deep cervical veins cervical veins,transverse cervical venous hum cervical ventral cervical ventralnerveroot cervical ventralnerve root Cervical Vertebra curve Cervical vertebra disease Cervical vertebra dislocation cervical vertebrae injuries Cervical vertebrae injury cervical vertebrae movement test