Drum gear coupling due to the compensation Angle is greater than straight-tooth coupling.
由于鼓形齿式联轴器角向补偿大于直齿式联轴器。
The results indicate that the fluorescence spectra of treated hard tissues is red-sift, i. e. the chemical bonding occurs between tooth tissues and coupling agent.
结果表明：用偶联剂处理后的牙面其荧光光谱与未处理的相比发生了明显的红移；说明偶联剂同牙体组织之间发生了化学结合。
Gear coupling of many hundreds of varieties, but the basic form is two: 1, inner and outer tooth gear with style;
齿式联轴器的品种有上百种之多，但基本形式就是两种：1、内齿和外齿结合式；
Gear coupling of many hundreds of varieties, but the basic form is two: 1, inner and outer tooth gear with style;
齿式联轴器的品种有上百种之多，但基本形式就是两种：1、内齿和外齿结合式；
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