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Re:到底怎么才算把桌子放平?

Posted by ready_sun at 2005-10-05 07:58:31 on Problem 2628
In Reply To:Re:到底怎么才算把桌子放平? Posted by:DS_HCP at 2005-10-04 10:58:02 
2个脚的间隔?间隔怎么是个度数?
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