Purpose:To observe the curative effect of acupuncture, automatic traction and herbal medicines for external use on lumbar intervertebral protrusion.
目的：观察针刺、自主牵引、药物外敷治疗腰椎间盘突出症（简称治疗组）的疗效。
The traction control system is also fully automatic.
牵引力控制系统是也完全自动的。
A type of new relay protection test software is developed to facilitate the automatic test of the traction substation relay equipment.
为了实现牵引变电所继电保护的自动测试，设计了一种新的继电保护测试软件。
A type of new relay protection test software is developed to facilitate the automatic test of the traction substation relay equipment.
为了实现牵引变电所继电保护的自动测试，设计了一种新的继电保护测试软件。
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