manufactured sand造句怎麼寫

Application of C50 high-performance concrete with manufactured sand in conversion layer of Baimiao jail high residence

The experimental research of the physical mechanical performance for manufactured sand hpc

PS series Sand Marking Machine is used for crushing, pebble, andesite, granite etc into manufactured sand by dry method.

By the means of adding mineral admixture and high-range water reducer, this article used the manufactured sand as the fine aggregate to produce the high strength flowing manufactured sand concrete.