标准渐开线直齿轮
standard Involute spur gear
标准渐开线直齿圆柱齿轮
standard involute cylinder gear
非对称渐开线直齿轮
asymmetrical involute spur gear
齿轮渐开线及螺旋角测量仪
involute and helix measuring instrument
渐开线齿轮传动
involute gear transmission
渐开线齿轮的干涉
interference of involute gears
渐开线齿轮铣刀
involute gear milling cutter
involute gear cutter
内啮合渐开线齿轮泵
Internal involute gear pump