In terms of equivalent calorific value, the lowest price among coal, oil, natural gas and renewable energy is ( ). A: oil B: coal C: renewable energy D: natural gas
In terms of equivalent calorific value, the lowest price among coal, oil, natural gas and renewable energy is ( ). A: oil B: coal C: renewable energy D: natural gas
中国大学MOOC: CO2 酸性气体，遇水生成碳酸，腐蚀管壁；影响天然气热值。Acid gas, contact with water to form carbonic acid, corrosion tube wall; Affects the calorific value of natural gas.
中国大学MOOC: CO2 酸性气体，遇水生成碳酸，腐蚀管壁；影响天然气热值。Acid gas, contact with water to form carbonic acid, corrosion tube wall; Affects the calorific value of natural gas.
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