芯线                    芯线排列                        外径比M=D/d     中间空隙面积                        外层空隙面积

2                            2                                           2                               0                                                       1.571

3                            3                                           2.154                       0.04                                                 10248

4                           4                                              2.414                     0.215                                                1.220

5                              5                                            2.7                         0.543                                                 1.259

不好看懂呀，直接去2001版绞制工艺学查找就可以了.也可到成缆工艺学里去查找...OK!

能说明白点吗

?"??

楼主给点公式让大家学习一下嘛~

授人以鱼,不如授人以渔呀~

是不?不用担心有人会抢你饭碗的~

在电缆手册中可以找到啊