芯数2345678910111213141516171819202122232425262728293031323334线芯排列234561+61+71+82+83+83+94+94+105+105+116+116+121+6+121+6+131+7+131+8+132+8+132+8+143+8+143+9+143+9+154+9+154+9+164+10+165+10+165+11+165+11+176+11+17外径比 M=D/d22.1542.4142.7333.33.744.1544.1544.4144.4144.74.75555.1545.35.7666.1546.1546.1546.4146.4146.4146.76.76.77中心空隙面积外层外缘空隙面积×d²/mm²×d²/mm²00.040.2150.5431.02500000.040.040.2150.2150.5430.5431.0251.0250000000.040.040.040.2150.2150.2150.5430.5430.5431.0251.5711.2481.221.2591.3291.3291.391.6792.2762.5932.0392.5532.0252.5782.0712.6412.1372.1371.9442.2574.4423.5982.9753.2853.2852.8013.2822.8062.8063.3193.3192.8643.39835363738384041424344456+12+176+12+181+6+12+181+7+12+182+6+12+182+7+12+192+7+13+192+8+13+192+8+14+203+8+14+203+9+15+217777.3888888.1548.1541.0251.02500000000.040.043.3982.9272.9273.4584.7054.2544.2544.2543.7744.0422.867