... self-aligning bearing 特种轴承 self-aligning level 自对准水平仪 self-aligning system 自对准系统 ...
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To compare the level of friction resistance (fr) of different design self-ligating brackets using various bracket-wire combination in dry state during orthodontic phase of leveling and aligning.
探讨在干燥条件下,在牙齿排齐整平阶段应用不同的自锁托槽与不同的镍钛圆丝组合所产生的滑动阻力。
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