先期投入构筑市场培育和发展电力市场，着眼长远，加大电力市场的先期投入，是电力企业由计划经济向市场经济转变，加快电力事业发展的必然要求。经济的增长，取决于电力市场的先期投入。天津市武清县是市郊的农业大县，过去电网建设重点考虑的是满足排灌需要，仅有的几座变电 It is an inevitable requirement for the power enterprises to shift from a planned economy to a market economy and to speed up the development of the power industry by focusing on building markets in the early stages of nurturing and developing the electricity market, focusing on the long-term and increasing the initial investment in the electricity market. Economic growth depends on the initial investment in the electricity market. Wuqing County, Tianjin is an agricultural suburb in the suburbs. In the past, the key consideration in power grid construction was to meet the needs of irrigation and drainage. Only a few power transformers