整个生产过程必须保持“均匀和均衡”，原燃料的预均化是关键的第一步。
The whole production process must keep " even and balance ", and the pre-homogenizing of the fuel is the key to the process.
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.
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