Energy crisis compels fuel conservation.

能源危机使人们必须节约燃料。

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And the home use energy conservation fuel gas stove has obtained the country technical monopoly.

其中家用节能燃气灶已获国家技术专利。

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And the home use energy conservation fuel gas stove has obtained the country technical monopoly.

其中家用节能燃气灶已获国家技术专利。

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