从温室气体排放量的角度来看，水力发出的电力是属于环保型的，但是许多容易被选择的资源却具有污染性，特别是煤。
Hydropower is clean, from the point of view of greenhouse-gas emissions, but most of the easy alternatives, notably coal, are dirty.
从温室气体排放量的角度来看，水力发出的电力是属于环保型的，但是许多容易被选择的资源却具有污染性，特别是煤。
Hydropower is clean, from the point of view of greenhouse-gas emissions, but most of the easy alternatives, notably coal, are dirty.
应用推荐