Setting forth a method of utilizing chemicals to process non-circular gear.
阐述了用化学蚀剂法加工非圆齿轮的方法。
Non-circular gear, the instantaneous transmission ratio variation according to the required design.
采用非圆齿轮，瞬时传动比可按所需变化规律设计。
The gear sector of variable transmission ratio in automobile steering mechanism is a variable module non-circular gear.
变传动比汽车转向器齿扇是变模数的非圆齿轮。
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