请问pig iron ,per capita,thermal power plant

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请问pigiron,percapita,thermalpowerplant请问pigiron,percapita,thermalpowerplant请问pigiron,percapita,therma

请问pig iron ,per capita,thermal power plant
请问pig iron ,per capita,thermal power plant

请问pig iron ,per capita,thermal power plant
pig iron 生铁
per capita 人均
thermal power plant 火力发电厂