Bolt hole fitting plastic core industrial caster.
孔顶塑芯工业脚轮。
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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