Conclusion Based on the Ilizarov technology slow draft principle, the distraction apparatus Gypsum opening device of knee joint are no-pain, minimally invasive, simple, effective methods and technique, which treat the flexion contracture of the knee. 结论:借鉴Ilizarov技术缓慢牵伸原理研制的石膏撑开器,是实现了无痛、微创、简便、安全治疗膝关节屈曲挛缩的有效方法。
The practice shows that optimizing spinning draft apparatus and configuring spinning processing reasonably can enhance yarn quality. 实践表明,优选新型细纱牵伸器材,合理配置纺纱工艺,有利于成纱质量的稳定提高。
Influence on Yarn Thin Place of Spinning Draft Apparatus and Technology Configuration 细纱牵伸器材及工艺配置对成纱细节的影响