expanded shale造句

Standard guide for use of rotary kiln produced expanded shale , clay or slate as a mineral amendment in topsoil used for landscaping and related purposes
园林设计及其有关用途的作为上层土中改良矿物质用旋转窑生产的空心油岩粘土或石片的使用标准指南
Eight concrete samples of different compound ratio of artificial lightweight aggregate ( coarse aggregate of expanded shale ) and ordinary aggregate , water - reducing admixture , expanding admixture , etc , are compounded firstly , based on the research of main properties such as agitating property , strength , dry surface density and deformation , an optimum compound ratio of the concrete with high strength ( cl40 ) , light density ( 1800 ) and slight expand is achieved
首先，采用人造轻骨料(页岩陶粒)及普通骨料，加入减水剂、膨胀剂等，配制出了八种不同配合比的轻骨料砼与普通砼，并对其和易性、强度、干表观密度、变形等主要性能进行了试验研究，得到了强度等级cl40 ，密度等级1800的轻骨料中高强度微膨胀砼最佳配合比。
It's difficult to find expanded shale in a sentence. 用expanded shale造句挺难的