circui电路circabbr.圆形的(=circular)abbr.循环；流通(=circulation)Circulor of umbilial cord脐带绕颈circulating water ouffall循环水排水口circumscription reasoning限定推理Circumstantial infidelity偶然不忠实circumferential clasp arm环周卡环臂, 环状钩臂, 环形卡环臂circulating gas preheater循环气预热器circulating lluidized bed循环流化床circumferential retention环抱固位circulatory birefringence圆双折射circulating water channel循环水槽