编号 | 规格/mm | 长度/mm | 束数 | 共长/m | 共重/kg | 两端引伸/mm |
N1 | 4^s 15.2 | 25878 | 2 | 51.8 | 228.1 | 173 |
N2 | 4^s 15.2 | 25909 | 2 | 51.8 | 228.1 | 173 |
N3 | 3^s 15.2 | 25941 | 2 | 51.9 | 171.4 | 173 |
N4 | 3^s 15.2 | 25701 | 2 | 51.4 | 169.8 | 172 |