本文件确定了技术图纸（如图表、平面图或地图）中使用的线的类型、其名称和配置，以及绘制线的一般规则。此外，本文件规定了技术文件中引线和参考线及其组件的表示以及在引线上或引线处布置说明的一般规则。附件提供了机械、施工和造船技术图纸的具体信息。 就本文件而言，“技术图纸”一词的解释应尽可能广泛，包括指定产品（工件、子组件、组件）的整套文件。

This document establishes the types of lines used in technical drawings (e.g. diagrams, plans or maps), their designations and their configurations, as well as general rules for the draughting of lines. In addition, this document specifies general rules for the representation of leader and reference lines and their components as well as for the arrangement of instructions on or at leader lines in technical documents. Annexes have been provided for specific information on mechanical, construction and shipbuilding technical drawings. For the purposes of this document the term “technical drawing” is interpreted in the broadest possible sense, encompassing the total package of documentation specifying the product (workpiece, subassembly, assembly).