internal set内部集internaladj.国内的；内部的；身内的internal friction angel内摩擦角Internal fetal rotation胎儿内转internal cuneiform bone内侧楔骨internal software error内部软件误差internal elastic lamina内弹性膜internal opioid peptide内源性阿片样肽internal spermatic vein精索内静脉Internal Audit of Banks银行内部审计internal milling cutter内面铣刀Internal spiral raceway内螺旋滚道