全球风能资源非常丰富,理论蕴藏量约为()千瓦时/年。
A.2000亿
B.3000亿
C.2000万亿
D.3000万亿
参考答案:C
全球风能资源非常丰富,理论蕴藏量约为()千瓦时/年。
A.2000亿
B.3000亿
C.2000万亿
D.3000万亿
参考答案:C
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