这是一个可搜索的PDF。前言本文所述标准适用于第二版气体干衣机标准，第一卷——1型干衣机，ANSI Z21。5.1-1998/CSA 7.1-M98，并取代其中的相应标准。在监督小组委员会准备之后，它们被跨省天然气咨询委员会ANSI接受，并随后获得批准。注:除编辑性变更外，其他变更由页边空白处的垂直线表示。

This is a searchable PDF.PrefaceThe standards set forth herein apply to the second edition of the Standard for Gas Clothes Dryers, Volume I - Type 1 Clothes Dryers, ANSI Z21.5.1-1998/CSA 7.1-M98, and supersede corresponding standards therein. Following their preparation by the supervising subcommittee, they were accepted by ANSI, the Interprovincial Gas Advisory Council, and subsequently approved.NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.