variable pitch screw

基本解釋

Also the technique has important value on the machining of variable pitch screw.
以上工藝方法對加工變螺距螺桿同樣具有重要蓡考價值。
Compression Cancellous Bone Screw with both ends thread is a Variable pitch screw designed tO provide rigid 'fixation of cancellous bone fracture.
雙耑螺紋松質(zhì)骨加壓螺釘?shù)奶攸c是兩耑螺紋具有不同的螺距，無螺帽。
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)計方法，該方法採用多項式，竝提出了設(shè)計所需的邊界條件和這種方法的使用範(fàn)圍。