1.1 本规范涵盖了玻璃蒸馏瓶的标准尺寸要求。它包括通用烧瓶和专为特定测试而设计的烧瓶，尤其是在石油测试区。 注1: 对于包装标准，请在“规格”中选择 E920型 , E1157号 和 E1133号 . 1.2 以国际单位表示的数值视为标准值。本标准不包括其他计量单位。 1.3 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification covers standard dimensional requirements for glass distillation flasks. It includes general purpose flasks and flasks designed for specific tests especially in the petroleum testing area. Note 1: For packaging standards, choose among Specifications E920 , E1157 , and E1133 . 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.