项目热源通常来自于:①企业自建热源;②区域集中供热设施;③生产过程中的余热回收。通常情况下,恰当的选择顺序是()。
2023-05-16
A.①-③-②
B.①-②-③
C.③-①-②
D.③-②-①
参考答案:D
B.①-②-③
C.③-①-②
D.③-②-①
参考答案:D
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2023-05-16
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