pitch spiral的意思|示意

---

pitch spiral相关短语

1、 variational diameter-pitch spiral 变径距螺旋

2、 high-pitch spiral 大螺距

3、 variable pitch spiral 变螺距螺旋面

4、 pitch of spiral 螺距

5、 pitch-varying spiral 变距螺杆

6、 spiral pitch 螺距

7、 supplied pitch-varying spiral 供送螺杆