involute cylindrical gear meaning in English

渐开线齿轮
渐开线圆柱齿轮

Accuracy of fine - pitch involute cylindrical gears
小模数渐开线圆柱齿轮精度
Inspection code for accuracy of involute cylindrical gears
渐开线圆柱齿轮精度检验规范
Basic rack tooth profile of fine - pitch involute cylindrical gears
小模数渐开线圆柱齿轮基本齿廓
Calculation methods of load capacity for involute cylindrical gears
渐开线圆柱齿轮承载能力计算方法
Modules of involute cylindrical gears
渐开线圆柱齿轮模数

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