输气管道地区等级升级风险管理技术研究 / Research on the Risk Management Technology of Gas Pipeline Location Class Upgrading
- Resource Type
- Academic Journal
- Source
- 石油工业技术监督 / Technology Supervision in Petroleum Industry. 39(6):39-43
- Subject
管道 地区等级 升级 安全 风险管理 - Language
- Chinese
- ISSN
- 1004-1346