Instead, the purpose of this article and of the series in general is to help with a basic understanding of notation elements - their syntax and their meanings.
相反的，该文及本系列文章的目的主要是帮助大家对于记号元素——语法和含义有一个基本的理解。
The HK Series is designed for general purpose hydraulic service in stationary and mobile Oil & Gas applications.
HK 系列接头设计用于一般用途的液压服务（静止的和流动的石油和燃气）。
Series Y3 asynchronous motors is a new series of general purpose low voltage three-phase cage motors designed with cold-rolled silicon steel sheet.
Y 3系列异步电动机是采用冷轧硅钢片作为导磁材料而设计的一般用途低压三相笼型异步电动机基本系列。
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