“强制式混凝土搅拌机叶片衬板寿命攻关鉴定会”,在国家建委建筑机械局的主持下于七九年十二月一日至三日在无锡市召开。参加会议的有来自全国十四个省市的科研机关、大专院校、制造厂、使用单位等三十七个单位五十六名代表。 The “Compulsory Concrete Mixer Blade Liner Service Life Identification Meeting” was held in Wuxi City from December 1st to December 3rd under the auspices of the State Construction Commission Construction Machinery Bureau. At the conference, there were 56 representatives from 37 agencies including scientific research institutions, universities, manufacturing factories, and use units from 14 provinces and cities across the country.