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标签:______ is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in raw fuels

______ is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in raw fuels, and other forms of energy received as input to a s

______ is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in raw fuels, and other forms of energy received as input to a s

解析: 【解析题】Most parents, in fact, aren’t very helpful with the problems that their…

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