A.细砂
B.中砂
C.粗砂
D.特细砂
A.细砂
B.中砂
C.粗砂
D.特细砂
A.0.10
B.0.20
C.0.40
D.0.50
A.0.1
B.0.2
C.0.3
D.0.5
A.2.0
B.2.1
C.3.0
D.3.2
A.2.2
B.3.5
C.4.0
D.5.0
A.1次,0.1
B.2次,1%
C.2次,0.1
D.1次,1%
A.颗粒越粗
B.颗粒越均匀
C.颗粒越细
D.颗粒越不均匀
A.越细
B.越粗
C.级配越好
D.级配越差
A.精细装饰工程
B.大型基础设施工程
C.混凝土浇筑
D.细节雕刻