fine aggregate

• 细骨料,细集料

fine aggregate的用法和样例：

例句

1. The research achievement of the embankment constructed with frost susceptibe a loose fine aggregate and fly ash and frost prevention are introduced.
   主要介绍冰冻地区利用具有一定冻敏性的松散细集料粉煤灰修筑路堤及冻胀防治的研究成果。