... coarse-pitch gear 粗径节齿轮 coarse-pitch screw 大螺距螺钉 coarse-pitch involute system 粗径节渐开线制 ...
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coarse pitch screw 大螺距螺钉
coarse pitch multiple thread screw 多头大螺距螺杆
screw with coarse pitch 大导程螺杆
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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