A sum of 6.10 million tons of coal will be substituted by natural gas,of which 0.50 million tons for cooking,the other 5.6 million tons for space heating and industrial use.

• 供应民用炊事替代50万吨炊事用煤，替换采暖和工业用煤，替煤量560万吨，共计610万吨。