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If the center distance of the two gears changes, the instant gear ratio remains the same. This is because
选项：

A:Same pressure angle;
B:Same meshing angle;
C:Same pitch circle radius;
D:Same base circle radius

发布时间：2024-06-16 19:06:52

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If the center distance of the two gears changes, the instant gear ratio remains the same. This is because选项： A:Same pressure angle; B:Same meshing angle; C:Same pitch circle radius; D:Same base circle radius

If the center distance of the two gears changes, the instant gear ratio remains the same. This is because
选项：

A:Same pressure angle;
B:Same meshing angle;
C:Same pitch circle radius;
D:Same base circle radius