短語詞組短語Spherical l involute teeth 球麪漸開線齒Spherical involute teeth 球麪漸開線齒Spherical involute helicoid 球麪漸開螺鏇麪;曲麪漸開螺鏇麪spherical involute helicoids 球麪漸開螺鏇麪spherical involute tooth profile 球麪漸開線齒廓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