水下混凝土浇筑技术
underwater concreting technology
泥浆下混凝土浇筑
concrete pouring under mud
临时堵截浇筑混凝土
temporary blocking for the casting of concrete
现场浇筑混凝土构件
cast-in-situ concrete unit
混凝土浇筑温度
placement temperature of concrete
混凝土浇筑平台
platform for concrete pouring