在黑龙江省机械工业厅主持下,黑龙江省SL_7系列低损耗中小型电力变压器系列产品鉴定会议于今年8月2～30日在哈尔滨市召开。鉴定委员会按照鉴定大钢的规定项目,对 Under the auspices of the Heilongjiang Provincial Machinery Industry Department, Heilongjiang Province SL_7 series low-loss small and medium-sized power transformer product identification meeting was held in Harbin on August 2nd to 30th this year. The appraisal committee is in accordance