bevel gear with circular arc teeth  弧齿锥齿轮

Double circular arc helical gears  双圆弧齿轮

gear with helical teeth  螺旋齿齿轮

bevel gear with circular arc tooth profile  圆弧齿廓; 双重锥度齿锥齿轮; 锥齿轮; 圆弧齿廓锥齿轮

Double circular arc gear  双圆弧齿轮

Double Circular-arc Gear  双圆弧齿轮

Double circular-arc gear hob  双圆弧齿轮滚刀

double-circular-arc gear  双圆弧齿轮

gear with circular-arc tooth profile  圆弧齿轮

tipped double circular-arc gear hob  镶片双圆弧齿轮滚刀

bevel gear with circular arc tooth  圆弧齿廓锥齿轮

carbide taper shank endmill with helical teeth  硬质合金斜齿锥柄立铣刀

cylindrical helical gear with minority number of t  少齿数小直径圆柱料齿轮

Double Helical Gear  双螺旋齿轮; 人字齿轮

double helical gear (herring-bone gear)  人字齿轮

double helical gear planer  人字齿轮刨床

Double Helical Gear Reducer  二级斜齿轮减速器

double helical teeth  人字齿

Double-Arc helical gears  双圆弧齿轮