调整开式齿轮传动齿合间隙，齿面接触良好。
Adjust the opening gear transmission, the tooth contact is good.
以X型汽车门锁的锁键与锁钩齿合不当导致自发开锁的故障为例。
With locks the gullet tooth by X automobile door lock latch not to gather when causes the breakdown which spontaneously unlocks is the example.
用于检查直齿及斜齿的外齿合圆柱齿轮的基节偏差，并使用高精度的测微表指示。
This tester is suitable to measuring the bapitch deviation of straight and helical circular gear, the accuracy value has been indicated.
目的研究固齿合对牙龈和牙槽骨中pge2的抑制作用，探讨固齿膏治疗牙周炎的机理。
Objective Study the effects of Gu Chi paste on PGE2 in gingiva and alveolar bone and its mechanism to treating periodontitis.
适用于检查7级或低于7级精度的内外齿合直齿与斜齿圆柱齿轮的周节偏差。操作简便，易于维修，可供各工厂计量室及车间使用。
This tester is suitable to measure accuracies of pitch deviation with inside and outside straight helical circular gear among seventh degree. Easy to operate and maintenance.
通过上述晶体结构中配位键长键角的分析，得到了一个行之有效的标准，判断羧基与中心金属离子是单齿配位还是螯合配位。
A new criterion to decide whether the carboxy group coordinating to the metallic ion in mono or bi dentate-fashion in an ambiguous situation, base on coordination bond distances and angles.
方法用p,O双齿螯合钯配合物催化偶联反应合成目标化合物。
METHODS the target compound was synthesized from cross-coupling reaction catalyzed by p, o chelate palladium complex.
理想的齿抿合和下额是深色的或黑色的。
理想的齿抿合和下额是深色的或黑色的。
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