pumping concrcte

英 美
  • 泵送混凝土
  • pumping n.抽吸;脉动动词pump的现在分词.
    1. At present, excessive pumping concrete, pumping concrete in order to ensure the availability of pumps, pumping concrete, often adding an appropriate amount of air-entraining agent.
      目前泵送混凝土用量过大,为了保证泵送混凝土的可泵性,往往在泵送混凝土中加入适量的引气剂。