jacky
铁丝的号数与直径，是按照英国标准线来说的。
英国标准线规（BWG)号数与线径的关系
线规in.mm线规in.mm线规in.mm号码号码号码
00.3248.2便某酸亲河离亲备关率30140.0802.032280.01480.376
10.3007.来自020150.0721.829290.01360.345
20.2767.010160.0641.626300.01240.315
30.2526.4360问答01170.0561.422310.01160.295
40.2325.893180.0481.款艺什219320.01080.274
50.2125.385190.0401.016330.01000.254
60.1924.877200.0360.914340.00920见左业听求支矿右概照威.234
70.17针住64.470210.0320然干为后方亲苏.813350.00840.213
80.1604.064220.0280.711360.00760.193
90.1443.658230.0240.610370.00680.173
100.块皇报1283.251240.0220.559380.00600.152
110.1162.946250.0200.508390.00520.132
120.1042.642260.0180.457400.住助晶00480.122
130.0922.3372很精70.01640.417410.00440.112
