据悉,成都军区昆明物资供应站段桂君用垃圾堆里拾来废旧铁片制作“铁锈画”受到好评。经国家专利局鉴定批准为国家发明专利,为废弃物的再生利用又开辟了一条新途径,此项 It is reported that Duan Guijun, Kunming material supply station in the Chengdu Military Region, has used the iron scraps picked up from garbage dumps to produce “rust paintings” that have been well received. Approved by the National Patent Office as a national invention patent, it has opened up a new way for the recycling of waste.