带式混凝土浇注机
belt type concrete placer
混凝土浇注期
period of concrete placement
离心浇注混凝土管
centrifugally-spun concrete pipe
耐火混凝土浇注
fire resistent concret casting
水下混凝土浇注
underwater concrete pouring
Underwater casting
无模混凝土浇注
casting of concrete without forms
超缓凝混凝土
Ultra-retardation Concrete
super-slow setting concrete
occlusive pile super setting retarder ultra-retard
ultra-slow setting concrete