隔膜式气压罐的操作关键点及工艺改进

　　In recent days, industry and information technology in the 2023 province of Shaanxi published a list of smes that are to be identified and reviewed, shaanxi Wanlida Railway Electrification Co. , Ltd. , successfully selected as a 2023 of Shaanxi province “Expert and special new” small and medium-sized enterprises. “Specialized and special new” enterprises refer to small and medium-sized enterprises with the characteristics of specialization, refinement, specialization and novelty.