【摘要】 介绍了在绘制和阅读工程图样时,如何认真分析每条图线、每个封闭线框表达的意义,以便准确绘制和理解每份工程图样,方便快捷地进行技术交流和正确有效地指导生产工作。更多还原

【Abstract】 The paper discusses,when engineering drawings are drawn or interpreted,how the meanings shown by each line or frame should be analysed conscientiously,how each engineering drawing should be drawn and comprehended accurately,how technical exchange should be carried out conveniently and quickly,and how manufacture processing should be guided effectively.更多还原