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

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