赵先生：18605749518产品参数模数螺旋角分圆直径齿数外径宽度孔径25 166.43483168.922063.52.255 164.8873167.772063.52.55 168.1467171.332063.52.755 168.3961172.072063.535 159.6153165.422063.53.255 172.9153180.232063.53.55 165.1347173.962063.53.755 161.8643171.922063.545 164.6341175.1292063.54.55 167.1437179.892063.555 155.5931171.042063.55.55 160.1129177.492063.565 162.6227181.842063.5