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 beam manufacture site制梁场concrete anti-cracking agent混凝土防裂剂concrete transportation system混凝土运输系统concrete faced rock-fill dam面板堆石坝CONCRETE ARCH DAM DESIGN II.混凝土拱坝设计2。concrete mixed with steel sand铁钢砂混凝土concrete-abstract noun ratio具体-抽象名词比率concrete-filled-steel tube钢管混凝土concrete-illled-steel tube钢管混凝土concrete-vibrating compactor混凝土振动压实机