渐开面包络环面蜗杆
toroid enveloping worm with involute helicoid generatrix
拟周期环面破裂
breaking of quasi-periodic tours
breaking of quasiperiodic tours
抛物环面天线
parabolic torus reflector antenna
平面包络环面
Planar enveloping hourgl ass
planar envelope hourglass
平面包络环面蜗杆
Plane enveloping hourglass worm
Planar enveloping annular worm
平面包络环面蜗杆副
enveloped toroidal worm pairs
平面二次包络环面蜗杆
annular enveloping worm
planar double-enveloping worm
plane double-enveloping worm gear
平面二次包络环面蜗杆传动
Plane double enveloping hourglass worm gearing
plane re-enveloping hourglass worm gearing
平面二次包络环面蜗杆副
Planar double-enveloping toroid worm gear
planar quadratic enveloping toroidal worm pair
平面二次包络环面蜗轮副
Planar double-enveloping toroid worm gear
平面二次包络环面蜗轮副设计
Planar double-enveloping worm gearing design