短語詞組短語Spherical l involute teeth 球面漸開線齒Spherical involute teeth 球面漸開線齒Spherical involute helicoid 球面漸開螺旋面;曲面漸開螺旋面spherical involute helicoids 球面漸開螺旋面spherical involute tooth profile 球面漸開線齒廓ring involute spherical 漸開線環(huán)形齒球ring involute spherical gear 漸開線環(huán)形齒球齒輪involute spherical gear 漸開線環(huán)形齒球齒輪 返回 spherical involute