基本解释混凝土同根派生 英汉例句reinforced eonerete circular pool 钢筋混凝土圆形水池composite floor slab with profiled steel sheet and eonerete 压型钢板-混凝土组合楼板mass eonerete 大体积混凝土jointing old and new eonerete 贴坡新老混凝土结合bituminous eonerete core 沥青混凝土心墙