straight cylindrical involute spline gauge的意思|示意
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直圆柱渐开线花键规
straight cylindrical involute spline gauge的网络常见释义
圆柱直齿渐开线花键量规 圆柱直齿渐开线花键量规 straight cylindrical involute spline gauge 圆柱直齿渐开线花键塞规 straight cylindrical involute spline internal gauge ..