Welding nails, steel connection pair, rigging, bridges, coal, oil, wind power tower base assembly, stadiums ears (and beyond) bi-directional rotation screw, anchor, rope!

焊钉、钢结构连接副、索具、桥梁、煤田、油井、风力发电塔基组合件、体育场馆双耳内（外）旋双向螺杆、锚具、钢丝绳！

youdao

Welding nails, steel connection pair, rigging, bridges, coal, oil, wind power tower base assembly, stadiums ears (and beyond) bi-directional rotation screw, anchor, rope!

焊钉、钢结构连接副、索具、桥梁、煤田、油井、风力发电塔基组合件、体育场馆双耳内（外）旋双向螺杆、锚具、钢丝绳！

youdao