轻骨料;轻质骨料

lightweight aggregate的用法和样例：

例句

The composite aggregate is composed of LWA and normal aggregate.复合骨料系混凝土中的普通骨料被轻骨料取代而成。
The insulation value of the lightweight aggregate is only important in the roof insulation, which is greatly improved.轻骨料的隔热值只是对屋面的隔热来说很重要，它可使屋面的隔热性能大为改善。

词汇搭配

light weight车辆自重,空车重量,...

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