variable pitch

常见例句

In this paper, the research for the control system begin with studying controller of variable pitch control system.
本文以变桨距控制系统中控制器的研究为切入点，对控制系统展开了研究。
Compression Cancellous Bone Screw with both ends thread is a Variable pitch screw designed tO provide rigid 'fixation of cancellous bone fracture.
双端螺纹松质骨加压螺钉的特点是两端螺纹具有不同的螺距，无螺帽。
The paper analyses the structural characteristic and work principle of screw with variable pitch, designed machining technics, put forward a particular method of NC programming .
文中分析了异型截面供送变螺距螺杆的结构特点和工作原理，设计了其加工工艺，提出了一套加工该螺杆的独特的数控编程方法。