X射线光束位置探测器
X-ray Beam Position Monitor
渐开线斜齿圆柱齿轮
cylindrical involute helical gear
渐开线型线
involute profile
involute of circle limitations
渐开线压力角
Pressure Angle of Involute
渐开线圆柱齿轮
involute cylindrical gear
involutes cylindrical gear
involute cylinder gear
Involutes gear
Involute gear
evolute cylindrical gear
渐开线少齿差行星传动
planetary gear train with a small tooth difference