inner set内集inneradj.内心的；内部的；里面的n.里面inner surface test表面检测inner wire welding内引线焊接Inner ummunication内部沟通inner spline screw内花键螺钉inner screw thread内螺纹inner public space内部公共空间inner side-stand杠内正立inner automorphism内自同构inner meshing gear内啮合齿轮inner boundary box内包围盒