low-quality aggregates
基本解释
- [交通运输工程]低品质骨料
专业释义
- 低品质骨料
In some areas, excellent aggregates have been exploited and utilized, only low-quality aggregates left. Considering from construction economy, utilizing low-quality has been an inexorable trend .
优良的骨料在某些地区已经开发利用,剩下的是低品质骨料,从建筑经济上考虑,利用低品质骨料已成必然趋势。