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技术图样是工程界技术交流的语言,是新产品从方案确定、设计、制造、检验、安装、使用到维修不可缺少的技术资料,是国际、国内技术交流的重要工具。几年来,我国制定的技术制图国家标准已发布实施。它等效采用了国际标准,为国际间的技术交流开辟了通道。国际标准规定了第1角画法和第3角画法具有同等效力,而 GB/T 14692—93
Technical drawings are the language of technical exchange in engineering field. They are the technical materials indispensable to the new product design, design, manufacture, inspection, installation, use and maintenance, and are important tools for international and domestic technological exchanges. Over the past few years, China has formulated a national standard for technical drafting and implementation. It has equivalently adopted international standards and opened up a channel for international technological exchanges. International Standard provides the first angle painting method and the third angle drawing method has the same effect, and GB / T 14692-93