precast concrete construction

They are employed by construction companies, cement and concrete contractors and manufacturers of precast concrete products, or they may be self-employed.

他们受雇于建筑公司，水泥和混凝土承包商和预制混凝土产品的制造商，或者他们可能成为自雇人士。

In the construction sector, companies are using more precast concrete, even for high-rise apartment buildings.

在建筑业，企业正更多地使用预制混凝土，即便是高层住宅楼也是如此。

Precast concrete technology is one kind of industrialized construction methods, and precast concrete structures are one of the most important modern building structures.

预制混凝土技术是工业化的建筑生产方式，预制混凝土结构是现代建筑最重要的结构形式之一。