“三航混凝土三号”船是从日本引进的混凝土搅拌船,它采用混凝土连续搅拌和泵送的先进技术,泵造混凝土的施工方法在我国应用时间不长,在航务系统港工混凝土中应用还是首次,各兄弟单位都比较关心和支持,该船于1979年3月由日方交给三航局第二工程处,4月份在上海宝钢原料码头混凝 “Sanhang Concrete No. 3” is a concrete mixing vessel imported from Japan. It uses advanced technology of concrete continuous stirring and pumping. The construction method of pumped concrete is not used in China for a long time. It is applied in port engineering concrete for port engineering. For the first time, all the fraternal units were more concerned and supportive. The ship was handed over by the Japanese government to the third agency’s Agency in March 1979, and it was coagulated in April at the Baosteel Raw Materials Terminal in Shanghai.