variable pitch短语¹³¹⁶²⁰⁺³ 基本例句 变斜度,可变节距 It has firstly introduced advanced technique of producing screws with variable pitch and depth, so that the material can be more softly sheared and cut. 率先引入国际最先进变螺距,变深度螺杆设计技术,使物流在螺杆中剪切、压缩更柔和,更接近实际需要。 corp001 It is difficult to machine the variable pitch of screw part on the CMC lathe without variable/span> pitch cutting faction. 对于只具备普通螺纹切削功能的数控车床,一般来说不能加工变螺距的螺纹。 cnki