文件名称
大小更新日期
375.11 KB2020-12-02
682.36 KB2020-12-02
[国外标准] AS 2758.6-2009 Aggregates and rock for engineering purposes Part 6 Guidelines for the speci fication
843.31 KB2020-11-30
[国外标准] BS 812-2-1995 Testing aggregates. Methods for determination of density
2.84 MB2020-11-27
[国外标准] BS 812-1-1975 Testing aggregates part 1 Methods for detemination of particle size shape
516.93 KB2020-11-27