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关注:1
2013-05-23 12:21
求翻译:according to the relevant data iii C30 without shrinkage of concrete, volume of concrete for: 6.7 .是什么意思?![]() ![]() according to the relevant data iii C30 without shrinkage of concrete, volume of concrete for: 6.7 .
问题补充: |
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