English translation for "pitch helix"

节距螺旋线
节圆螺旋线

Related Translations:

single wire helix:  单线螺旋

pitching fold:  伏褶曲倾伏褶皱

pitch circle:  齿节圆分度圆节距圆节圆线

football pitch:  足球场

pitch apex:  节锥顶

no pitch:  投球无效

pitch axe:  鹤嘴斧

relative pitch:  相对间距相对跨距相对螺距相对音高（听觉）

square pitch:  45的屋顶坡度45度斜屋面屋面坡度

pitching rotation:  投球回身动作

Similar Words：

"pitch grouting" English translation, "pitch guidance" English translation, "pitch guidance loop" English translation, "pitch gyro" English translation, "pitch gyroscope" English translation, "pitch hinge" English translation, "pitch hold" English translation, "pitch hold limit" English translation, "pitch horn" English translation, "pitch illusion" English translation