effective diameter of bolt or high-strength bolt  螺栓

friction high-strength bolt  摩擦型高强螺栓

friction-type high-strength bolt  摩擦型高强螺栓

Friction-typed high-strength bolt  摩擦型高强螺栓

Friction-typed high-strength bolt connection  摩擦型高强度螺栓连接

high strength bolt  高强度螺栓; 高强度锚杆; 高强锚杆; 强力锚杆; 高强螺栓; 电站锅炉

High strength bolt and weld steel railway bridge  铁路栓焊钢梁

High Strength Bolt Connection  高强度螺栓连接副

high strength bolt steel  高强度螺栓钢

High-strength Bolt  高强度螺栓; 高强锚杆; 高强螺栓; 高强螺栓连接副

high-strength bolt junction  高强度螺栓节点计算

joint of high strength bolt  高强度螺栓连接副

sets of torshear type high strength bolt  扭剪型高强螺栓连接副

tor-shear type high-strength bolt  扭剪型高强度螺栓

Bolt of high strength  高强度螺栓

high strength and high pretension yieldable bolt  高强预应力让压锚杆

High strength connecting rod bolt  高强度连杆螺栓

high strength friction grip bolt  高强螺栓

high-strength friction grip bolt  高强度螺栓

High-strength Prestressed Anchor Bolt  高强预应力锚杆