precast reinforced concrete短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 预制钢筋混凝土 This article briefly describes the development of precast reinforced concrete member which has made an important contribution to the building industrialization in our country. 本文简要叙述混凝土构件的发展，在我国建筑工业化进程中所作出的重要贡献。 cnki