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