阀门类概算工作方式改进及价格影响因素研究

穆毓熙

Research on Improvement of Valve Estimation Methods and Influencing Factors of Price

Mu Yuxi

石油化工设计 . 2022, (2): 36 -40 . DOI: 10.3969 /j.issn.1005 -8168.2022.02.009