Based on bolt looseness broken analysis for railway wagon core plate, puts forward the preventive measures.
针对铁路货车心盘螺栓松动折断的问题，分析其原因，并提出防范措施。
The fastening bolt is fixed with the inner core.
紧固螺栓与内芯紧固。
Jiajia, it is a bolt from the blue that you were wounded, and I was pain to the core for your injury.
佳佳，你受伤的消息简直就是晴空霹雳，令我痛心不已。
Automatic bolt assemble machine is a mechanical device which can continuously fit in bolt, iron core, the plastic platoon.
全自动螺钉装配机是对实现螺钉、铁芯和塑料排三种零件组成接线端子装配体的装配。
Methods: The residual crown and root of large furcation molars by full root-fill were chosen. Then casting anatomy bolt post-core molars are restored with finely casting full crowns.
方法：选择牙根分叉较大的磨牙残冠残根，经完善根管充填后，制作分体栓道式铸造桩核，然后精密铸造金属全冠修复。
The fiberglass reinforced rock bolt and grouting could improve the strength and stiffness of the advance core, cut down the depth of the plastic area.
超前玻璃锚杆及注浆均能显著提高核心土自身的强度和刚度，大大减小塑性区的深度。
Objective: to observe the effect of casting anatomy bolt post-core in restoration of residual crown and root of molars.
目的：观察分体栓道式铸造桩核在磨牙残冠残根修复中的作用。
Objective: to observe the effect of casting anatomy bolt post-core in restoration of residual crown and root of molars.
目的：观察分体栓道式铸造桩核在磨牙残冠残根修复中的作用。
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