交错轴渐开线斜齿轮传动
crossed helical involute gear pair
渐开线斜齿圆柱齿轮
cylindrical involute helical 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
圆柱渐开线齿轮
cylindrical involute gear