How to component the roof

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10-12-2014 02:51 AM
xinlongliu
New Contributor II

I want to component the roof.QQ图片20141012174425.pngQQ图片20141012174432.png

However,the roof didn't component successfully.I wonder what's wrong

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by Anonymous User
Not applicable

Can you describe how it fails? What is the intended outcome?

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