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单粒径集料
 单 粒径集料
tech. single-size aggregate; single-sized aggregate
| 混凝土
 混凝土
environ. concrete
manag. concrete
met. beton
oil cement concrete
sport. concrete

to phrases
粒径集料
tech. single-size aggregate; single-sized aggregate
单粒径集料: 3 phrases in 1 subject
Technology3