coarse pitch thread 粗螺纹 ; 粗螺距 ; 粗牙螺纹 ; 粗牙普通螺纹
coarse-pitch screw 大螺距螺钉
auto coarse pitch [航] 自动增大螺距装置
coarse-pitch gear 粗径节齿轮 ; 大径节齿轮
coarse-pitch cutter 大螺距齿铣刀
coarse-pitch involute system 粗径节渐开线制
coarse pitch multiple thread screw 多头大螺距螺杆
extra check coarse pitch thread 超粗牙螺纹
coarse pitch screw 大螺距螺钉
A type of screw and nut with coarse pitch was applied to realize thread core demoulding automatically.
采用螺距粗的螺丝和螺母实现螺纹型芯自动脱模。
Through analyzing of a bottle cover structure with inner thread, a type of screw and nut with coarse pitch was applied to realize thread core demoulding automatically.
通过对一种带有内螺纹的酒瓶盖的结构分析，阐述了采用大导程螺杆和螺母机构实现螺纹型芯自动旋转脱模的设计过程及其工作过程。
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