常見例句雙語例句In this paper, the research for the control system begin with studying controller of variable pitch control system.本文以變槳距控制系統(tǒng)中控制器的研究為切入點(diǎn)，對(duì)控制系統(tǒng)展開了研究。Compression Cancellous Bone Screw with both ends thread is a Variable pitch screw designed tO provide rigid 'fixation of cancellous bone fracture.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 .文中分析了異型截面供送變螺距螺桿的結(jié)構(gòu)特點(diǎn)和工作原理，設(shè)計(jì)了其加工工藝，提出了一套加工該螺桿的獨(dú)特的數(shù)控編程方法。 返回 variable pitch