标准摘要
[中文适用范围]： IEC 60050 的这一部分定义了与爆炸性环境设备特别相关的术语。 [外文原描述]： This second edition cancels and replaces the first edition published in 1990. This edition constitutes a technical revision. This edition included the following significant technical changes with respect to the previous edition: Terms and definitions have been revised to align with those used in the documents listed in the normative references. It has the status of a horizontal standard in accordance with IEC Guide 108 .
英文名称International Electrotechnical Vocabulary (IEV) - Part 426: Equipment for explosive atmospheres