aeroconcrete minitype hollow block的用法和样例：
- LECA hollow block is one kind of hollow block make with lightweight aggregate.
- According to proportion, non-burned hollow block brick manufacture machine mixes thick sand, gravel, silver sand, silver stone and cement.
- They began to build a roadway using very large hollow blocks.
- The calculation formula of shear bearing capacity of composite GFRP-concrete small hollow block wall is put forward, which is in good agreement with test results.