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工业革命前人类主要消耗的能源是()
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工业革命前人类主要消耗的能源是()
A.人力和畜力
B.煤炭
C.电力
D.水力
正确答案:A
Tag:
科幻中的物理学
畜力
工业革命
时间:2021-04-11 14:42:04
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