The study of the working principle and structure parameters of PS-Series coal slurry preprocessor composed of water-jetting emulsor and tube mixer was main described in the paper.
重点阐述水喷射式乳化器和管道混合器组成的PS系列煤浆预处理器工作原理、结构参数的研究，并介绍了该系列设备的规格和使用情况。
This paper introduced a series of molding machine structure, working principle and control method, and automatic assembly line control principle and realization method.
本论文详细介绍了一次镗削成型机床的基本结构、工作原理、控制方法，及自动化流水线控制机构工作原理和实现方法。
This paper introduced the principle of AC-contactor working without noise and offered two series electrical controlling circuits.
本文分析了交流接触器无声运行的工作原理，提出了两类电气控制线路。
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