The traction characteristics of fully hydraulic single drum compactor are related to its engine, hydraulic system and mechanical system.

全液压单轮振动压路机的牵引特性与其发动机、液压系统及机械系统有关系。

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A set of electro hydraulic servo control system was designed suitable for cervical traction chair and it was proved to be effective through MATLAB stimulation.

利用电液伺服控制技术，设计一套适用在颈椎牵引椅中的电液伺服控制系统，通过M ATLAB软件对系统进行仿真，最终获得较好的控制效果。

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Study the hydraulic system impulsion in relevant to traction performance, startup speed and upgrade climbing, and advise the way and parameter to reduce impulsion.

研究了提梁机启动速度、牵引性能、爬坡对驱动液压系统的冲击问题，指出了减缓冲击的措施和控制参数。

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