实现墙改二次飞跃———在第三届全国墙改办公室主任工作会议上的讲话国家建材局副局长乔龙德同志们：这次会议的主要任务是贯彻落实第二次全国墙体材料革新工作会议精神，检查、交流贯彻会议的情况；进一步研究、细化落实墙改会议提出的各项任务；重点探讨如何给墙体材料... Achieving a Second Leap in Wall Reform——Speech at the 3rd National Directorate of the Wall Reform Office: Comrade Qiao Longde, Deputy Director of the National Building Material Bureau: The main task of this conference is to implement the second national wall material. Innovate the spirit of the work conference, check and exchange information on the implementation of the conference; further study and refine the various tasks put forward in the implementation of the wall reform conference; focus on how to provide wall materials...