The moving characteristics and principles were found through computing. It provided the theory foundation for improving the structure and working principal of the 7NB mud pump.
通过计算找到了7NB泥浆泵的运动规律、运动特点，为进一步改进7NB泥浆泵的结构和工作性能提供了理论依据。
This paper introduces the design of electro-mechanical shear instrument system, including shear instrument working principal, mechanical structure and control system that use PC and PLC as the core.
本文介绍了剪切仪的机电一体化系统的设计，包括剪切仪的工作原理、机械结构及以PC机和PLC(可编程控制器)为核心的控制系统的设计。
This paper introduces the design of electro-mechanical shear instrument system, including shear instrument working principal, mechanical structure and control system that use PC and PLC as the core.
本文介绍了剪切仪的机电一体化系统的设计，包括剪切仪的工作原理、机械结构及以PC机和PLC(可编程控制器)为核心的控制系统的设计。
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