API RP 1161-2025【PDF原文+中文翻译版】
Recommended Practice for Hazardous Liquid Pipeline Operator Qualification (OQ), Sixth Edition
危险液体管道操作人员资格认定(OQ)
standard by American Petroleum Institute, 05/01/2025.
API Std 624-2025【中文翻译版+PDF原文】
Type Testing of Rising Stem Valves Equipped with Graphite Packing for Fugitive Emissions, Second Edition, Includes Errata 1 (2023) and Errata 2 (2025)
带石墨填料的明杆阀门逸散排放型式试验
API Std 20L-2025【中文翻译+PDF原文】
------------------------------------------------------------------------------------------