北方地区建筑砌块生产与应用经验交流会的总结中国建筑砌块协会理事长严理宽各位来宾、各位同志：这次北方地区建筑砌块生产与应用经验交流会今天即将闭幕了，这次会议在大家的共同努力下，开得很好。会议期间，交流了北方地区砌块生产与应用的经验，通报了一些技术资料和... A summary of the experience exchange meeting for the production and application of building blocks in the northern region Yan Likuan, chairman of the China Building Blocks Association, distinguished guests and comrades: This time, the exchange of construction block production and application experience in the northern region will close today. With a concerted effort, I opened very well. During the meeting, exchanged experience of block production and application in the northern region, and informed some technical information and...