常见例句thin wall cast-in-situ eoncrete pipe pile 薄壁混凝土樁reinforced eoncret vaulted and curved beam 鋼筋混凝土拱狀曲梁high volume fly ash eoncrete 粉煤灰mass eoncrete 大躰積混凝土mass eoncrete casting 大躰積混凝土澆築eoncrete carbonization 混凝土碳化 返回 eoncrete