gradation composition造句

• Gradation composition of cement - stabilized macadam based on dry shrinkage deformation properties
  基于干缩变形特性的水泥稳定碎石级配组成
• Thus the application technologies of granulated crumb rubber asphalt mixture are studied in the paper . it includes characteristics of granulated crumb rubber , gradation composition design , compaction technology and anti - ice - snow performance . the main contents are introduced in the following paragraphs
  为此,本论文就橡胶颗粒的技术性质、橡胶颗粒沥青混合料组成设计方法、成型工艺及其除冰雪性能等问题,对橡胶颗粒沥青混合料应用技术进行了系统研究。