In an existing reconstruction project, there are old water facilities in the pro

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试卷: LEED v4 BD+C英文模拟题（B）[查看]
In an existing reconstruction project, there are old water facilities in the project, and there are also water facilities added during the transformation process. When is the indoor water saving amount calculated?
A: . Old water facilities are not counted
B: The old water facilities only need to achieve 80% water saving rate
C: Only 20% of the old facilities are needed
D: A new and old standard

参考答案: D