尺寸标注是绘制零件工作图的一项重要内容，零件图中的尺寸是加工和检验零件的重要依据。
Dimensions mark is an important part of drawing spares mapping, and dimensions of spares mapping is the ruler of machining and checking spares.
此系统主要解决了四个难点：浇注系统设计、冷却系统分析、型腔、型芯的曲面造型设计、装配图和零件工作图的设计绘制。
With this system, the runner gate system design, mold cooling analysis, surface modeling, and automatic drawing could all be well carried out on microcomputer.
针对这些不利因素，对生产装置上常遇到的比较难测绘的几种零件，如弹簧、叶轮、齿轮，用多种计算的方法对测绘数据进行处理，以得到完整的零件工作图。
Aiming these factors, we use different calculating methods to handle the surveyed data. Such as that of spring, turbo wheel and gear in order to get the complete work drawing of the spares.
针对这些不利因素，对生产装置上常遇到的比较难测绘的几种零件，如弹簧、叶轮、齿轮，用多种计算的方法对测绘数据进行处理，以得到完整的零件工作图。
Aiming these factors, we use different calculating methods to handle the surveyed data. Such as that of spring, turbo wheel and gear in order to get the complete work drawing of the spares.
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