At present the demand for high calorific value and little pollution petroleum is the biggest in the energy consumption pattern.
目前在能源消费结构中对热值高污染少的石油需求量最大。
At present the demand for high calorific value and little pollution petroleum is the biggest in the energy consumption pattern.
目前在能源消费结构中对热值高污染少的石油需求量最大。
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