aerated concrete density的用法和样例：
- As a new type of filling materials,the aerated concrete has the features of low density,low strength,good absorption of water and great contraction.
- A study on the sculptured and painted landscape Penjingmade of Autoclave Aerated Concrete Blocks.
- The company changzhou general machinery works offers among other Aerated concrete.
- The ultra - high strength aerated concrete can be used in loadbearing masoriry structures to replace clay bricks.