油气输送管道用三通等面积补强设计方法
张洪伟
Equal Area Reinforcement Calculation Method for Tees of Oil and Gas Pipelines
Zhang Hongwei
石油化工设计 . 2018, (3): 16 -19 .  DOI: 10.3969/j.issn.1005-8168.2018.03.005