Objective Observation of curative effect on multiple trauma of bone and joint.
目的观察多发骨与关节损伤患者的疗效。
The control group USES the reengineering of department of gynaecology capsule treatment, observation group joint ethinylestradiol cyproterone treatment.
对照组采用妇科再造胶囊治疗，观察组联合炔雌醇环丙孕酮片治疗。
Through hardness test, impacting test, SEM of failure surface and microstructure observation, the relationship between the toughness and its microstructure of welding joint of T92 steel was studied.
通过硬度试验、冲击试验、断口扫描和金相组织观察，研究了T92钢焊接接头的韧性与组织的关系。
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