解决方案是显而易见的，那就是电力这种洁净而经济的能源。
The solution is unmistakable , that is, the electricity which is clean and economical.
这个暖气和电力组合系统为中国东北城市哈尔滨道里区的一百万居民带来了洁净、节能、最优的暖气。
The combined heat and power system brings clean, efficient and optimal heat to one million residents in the Daoli district of Harbin in northeast China.
只有加强洁净煤技术的研究降低商品煤的含硫量， 才能从根本上减轻煤中硫对电力生产的不利影响。
Decreasing sulfur content of coal through to strengthen clean coal technology research and development that is the basic route for decreasing the influence.
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