[20200226]R42405_欧洲能源安全：欧盟天然气多样化的选择.pdf

European Energy Security: Options for EU Natural Gas Diversification Michael Ratner, Coordinator Specialist in Energy Policy Paul Belkin Analyst in European Affairs Sarah E. Garding Analyst in Balkan and Southeast Europe Affairs Cory Welt Specialist in European Affairs Updated February 26, 2020 Congressional Research Service 7-. www.crs.gov R42405