This paper analyzes the current drawing standards in China and compares some of them with old drawing standards in order to give attention in drawing.
本文就我国标准目前的状况、新旧标准内容的变化作了介绍,以便绘图时引起重视。
This paper analyzes the current drawing standards in China and compares some of them with old drawing standards in order to give attention in drawing.
本文就我国标准目前的状况、新旧标准内容的变化作了介绍,以便绘图时引起重视。
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