GB/T 34346-2017基于风险的油气管道安全隐患分级导则国家标准
英文:Guidelines for risk based safety hazard classification of oil and gas pipelines GB/T 34346-2017介绍: 国家标准《基于风险的油气管道安全隐患...
英文:Guidelines for risk based safety hazard classification of oil and gas pipelines GB/T 34346-2017介绍: 国家标准《基于风险的油气管道安全隐患...