节距 Pitch | 梯级距 Step distance | 抗拉强度 Tensile strength |
133.33 | 400.0 | 75 kN~260 kN |
135.46 | 406.4 | 70 kN~155 kN |
68.40 | 410.4 | 98 kN~161.4 kN |
135.00 | 405.0 | 130 kN~205 kN |
136.00 | 410.4 | 80 kN~160 kN |
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