variable pitch screw

基本解釋

Also the technique has important value on the machining of variable pitch screw.
以上工藝方法對(duì)加工變螺距螺桿同樣具有重要參考價(jià)值。
Compression Cancellous Bone Screw with both ends thread is a Variable pitch screw designed tO provide rigid 'fixation of cancellous bone fracture.
雙端螺紋松質(zhì)骨加壓螺釘?shù)奶攸c(diǎn)是兩端螺紋具有不同的螺距，無(wú)螺帽。
This paper introduces a design method of variable pitch screw, This methed make use of multinomial, bring out the boundary conditions which the design need and the operating range of the methed.
本文介紹了一種變螺距螺桿的設(shè)計(jì)方法，該方法采用多項(xiàng)式，并提出了設(shè)計(jì)所需的邊界條件和這種方法的使用范圍。