内直径 meaning in Chinese

interior diameter
internal conjugate diameter
internal diameter

Measurement of connector ferrule hole inside diameter
连接器套管孔内直径的测量
Rubber and plastics hoses for general - purpose industrial applications - bore diameters and tolerances , and tolerances on length
工业通用橡胶和塑料软管.内直径和公差.长度公差
The kilns will be of the type r4s with an inside shaft diameter of 4 . 3 m and suspended inner cylinders for the refractory lining
，带有一个内直径为4 . 3m的窑筒和用于耐热衬里的悬挂内圆筒。