改性沥青浇注式混凝土
modified gussasphalt concrete
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 casting
underwater concrete pouring
无模混凝土浇注
casting of concrete without forms