可采用预制方式机械化、工厂化集中均衡大批量生产，生产效率高，适用于各种路基，尤其适用于填砂路基。
The hollow block can be commercially and mechanically produced by precast method with high production efficiency and is applicable for various roadbeds, in particular to the sand-filled roadbed.
以这样一种方式，一个单层预制木材建筑的延伸因此形成了，在必要时也可以添加地板。
It was in this way that a single-storey extension of prefabricated wood construction came into being, to which floors could be added if necessary.
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。
Precast concrete technology is one kind of industrialized construction methods, and precast concrete structures are one of the most important modern building structures.
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