【摘要】 本文就1984年发布1985年实施的机械制图标准GB4458.1—84〈以下简称新标准〉中,有关剖视图的概念、种类、获得方法,画法中应注意的问题、应用范围及新旧标准的区别等项内容进行了理论分析。可供工程技术人员学习、设计时参考。更多还原

【Abstract】 In this paper, theoretical analysis on the conceptions, types, obtainablemethod, drawing method limitations of applications, differences of the newstandard from the old ones and etc. is conducted for the state standardof mechanical drawing (GB4458.1-84 which was issued in 1984 and activatedin 1985). It is possible to for the engineers and technicians as a referenceint heir study and design.更多还原