@@ The scale of 1000-kV AC transmission development, which relates to the strategy of the state's energy development, is mainly determined by the output scale of large pit-mouth power plants in northern China. The demonstration has shown the construction of large-sized pit-mouth power plants of air- cooling type in Shanxi, Shaanxi and Inner Mongolia for sending bulk power to Central and East China is economically rational and overall beneficial to environmental protection.
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