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發(fā)布時間: 2011-1-18 21:53
正文摘要:我想知道這兩塊板式怎么原理來保證兩個靠尺之間的夾角是90度,,我覺得應(yīng)該還有個微調(diào)但是我理解不了,,希望能給個草圖 |
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