You'll need some skill in construction, especially in pouring concrete, mechanical assembly and rigging.

您需要一些技巧的建设，特别是在混凝土浇筑，机械装配和操纵。

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

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