About KAMOSHIDA NAOTO
About SAITO TSUYOSHI
About IMAI TADAO
About 秋田大 国際資源
About 建設用原材料
About crushed sand
About aspect ratio
About morphology(form)
About coefficient
About angle
About material testing
About particle size distribution
About particle
About fluidity
About fine aggregate
About 丸さ
About asperity
About 円磨度
About 角張
About slump flow
About Natural stone,ceramic products
About Aggregates
About 砕砂
About 粒子形状
About 評価