沥青混合料集料
asphalt mixture aggregate
921集集大地震
921 Chi-Chi Earthquake
Ji-Ji (Taiwan) earthquake
EPS(再生)轻集料
EPS(regeneration) light-weight aggregate
EPS(regeneration) light-weight material
EPS轻集料混凝土
expanded polystyrene EPS lightweight concrete
不同岩石粗集料
course aggregate of different rock variety
次轻集料混凝土
specially normal density concrete