开槽圆柱头螺钉
slotted cheese-head screw
slotted cheese head screw
均变圆柱螺旋线
equal changeable column helical curve
渐开线圆柱齿轮
involute cylindrical gear
involutes cylindrical gear
involute cylinder gear
Involutes gear
Involute gear
evolute cylindrical gear
渐开线型圆柱形叶片
Cylindrical Blade with Involutes Contour
渐开线斜齿圆柱齿轮
cylindrical involute helical gear
加筋圆柱壳和圆柱曲板
stiffened circular cylindrical shells and stiffene
机载圆柱形共形阵
airborne radar with cylindrical conformal array
环状圆柱形空隙
circular cylindrical void
弧形齿线圆柱齿轮
arcuate tooth trace cylindrical gear
弧齿圆柱齿轮
arc cylindrical gear
arch cylindrical gear
arc tooth cylindrical gear
厚壁圆柱容器
Thick-walled cylindrical vessel