This paper describes the basic principle and commercial application of pinch technology.
本文论述夹点技术的原理，概述它的工业应用情况。
Know basic machine mechanical, electrical, hydraulic, electric principle and structure, application.
了解设备的机械，电气，液压和电子的基本知识。
The basic principle, influence factors and application were introduced in this paper.
本文主要介绍了其原理、影响因素及在农药残留分析中的应用。
The basic principle, influence factors and application were introduced in this paper.
本文主要介绍了其原理、影响因素及在农药残留分析中的应用。
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