The measurement method and design thought of the lateral rigidity of the singletraction rod device are described.
介绍了单牵引拉杆装置横向刚度的测定方法和设计思路。
2
Methods The patients in treatment group were applied with comprehensive therapies of electro acupuncture, Chinese herbal steaming and traction, and those in control group with singletraction therapy.
方法以电针、中药熏疗及脊柱牵引综合治疗作为治疗组，与单纯牵引的对照组作疗效比较。
3
The hopper elevator is a kind of single bucket elevator, which is composed of a hopper, a rail and a bracket, a traction winch and a pulley.