(semi-)prime ring  (半-)素环; (半)素环

nonassociative prime ring  非结合质环

semi )prime ring  (半)素环

semi prime ring  半素环

semi- prime ring  半－素环

semi-prime ring  半质环; 半素环

prime PI ring  素PI-环

ring-ring-section  偏心受压构件

base-ring and frame-ring  基础环/座环

collector ring (slip-ring)  集电环

column-ring beam joint with shear ring bars  抗剪环-环梁节点

outside ring in-feed system ring  外环式进给

ring of n×n matrices over ring R  矩阵环

ring out the old year and ring in the new  辞旧迎新

ring upon ring  层层

Riser-ring and Ring Module  浇冒口

short-proof ring (arcing ring)  短路防止环; 引弧环

the Western Ring Road Sector of Central Ring Road  中环线西环段

anal ring hairs anal ring setae  肛门环刚毛; 肛门环刺毛; 肛门环刺