concrete bit混凝土钻头concreteadj.具体的；实质性的；混凝土的n.水泥；混凝土；具体物v.凝结；结合concrete under low temperature低温混凝土concrete pipe-jacking tunnel混凝土顶管隧道concrete panel rock-fill dam砼面板堆石坝concrete of rose crimson glory墨红花浸膏concrete-filed steel tubular钢管混凝土concrete mix proportion of HPCConcrete placed zone hereafter后浇带concrete railway bridge member铁路桥梁构件concrete administrative action具体行政行为concrete frosted and defrosted凝土冻融