Engineering technicians enter the equipment testing area in the Linhai Power Transformer Substation in Mudanjiang City of northeast China's Heilongjiang Province, Nov. 22, 2006.
Engineering technicians enter the equipment testing area in the Linhai Power Transformer Substation in Mudanjiang City of northeast China's Heilongjiang Province, Nov. 22, 2006.
11月22日，在牡丹江市林海变电站，工程技术人员进入调试设备区。