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546715894 發(fā)表于 2016-9-9 19:50 1.調(diào)中間和牙齒一起前后擺動(dòng)是調(diào)擺針軸曲柄羅絲.是針桿與牙齒同時(shí)前后移動(dòng).2.牙齒前后移動(dòng)是調(diào)牙架軸緊固羅 ...
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