protractor

Transform of power brake system of wire rope traction belt-conveyor;

钢丝绳牵引胶带输送机动力制动系统改造

Study of the Therapeutic Effect of Different Cervical Vertebra Traction Strap on Cervical Spondylosis of Arteriae Vertebralis Type;

不同的颈椎牵引带治疗椎动脉型颈椎病疗效研究

De-epithelialized corium flaps supporting and continual traction for correction of serious nipple inversion;

真皮瓣充填加乳头持续牵引治疗重度乳头内陷

Influence of draw rate on PP/PA6 in-situ composite;

聚丙烯/尼龙6挤出原位成纤后的牵引作用

Methods Review and analyze 375 cases in this series treated with the united three ways(massage by hand,many directions drawn by computer program-controlled and dehydration therapy) of the hernition of lumbar disc.

方法回顾性分析375例采用“三联疗法”(手法推拿按摩、电脑程控多方位牵引和脱水疗法)治疗的腰椎间盘突出症患者,按照胡有谷的影像区域定位分类,并比较分析其中转手术治疗的12例术中结果。

In this article,the author introduces some installation technologies of integral steel box girders,such as applying simple equipment to draw across the bridge piers with a winch,and using lifting device to dropped girders into place,which is applicable in practice to installation of structure in large size.

介绍整体式钢箱梁应用简易设备牵引过孔、升降装置落梁就位的施工技术,为大体积构件安装提供借鉴。