slumps相关论文
The synonymous use of the general term“landslide”, with a built-in reference to a sliding motion, for all varieties of......
在试验研究的基础上,本文主要探讨了水泥标号,砂细度模数,碎石级配及最大粒径,高效减水剂的品种及掺量,混凝土成型工艺等主要因素对高强......