1) Screw Arbor with Large Helical Angle
大螺旋角螺杆
1.
Die Casting Die with Screw Arbor with Large Helical Angle for Screw Thread Unloading;
大螺旋角螺杆脱螺纹压铸模
2) maximal helix angle,maximum spiral angle
最大螺旋角
3) screw
[英][skru:] [美][skru]
螺旋，螺丝，螺杆，螺旋桨，螺
4) big angle helical bevel gear
大螺旋角斜齿轮
5) spiral ejection pin
螺旋顶杆
1.
Design of injection mould for cock with spiral ejection pin;
带有螺旋顶杆的旋塞注塑模设计
6) Helical plate anchor
螺旋锚杆
