《绿色施工导则》规定,应就地取材,施工现场500千米以内生产的建筑材料
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A.50%
A.50%
B.60%
B.60%
C.70%
C.70%
D.80%
D.80%
参考答案:
A.50%
A.50%
B.60%
B.60%
C.70%
C.70%
D.80%
D.80%
参考答案: