adding limestone造句
例句与造句
- abstract : the effects of added limestone contents in portland limestone cement and fineness of cement grinding on strength of the cement mortar were investigated
文摘:研究了石灰石硅酸盐水泥中石灰石掺入量及水泥细度对水泥胶砂强度的影响。 - It's difficult to find adding limestone in a sentence. 用adding limestone造句挺难的