GB/T 38710-2020油气输送管道地理信息系统建设指南标准
英文:Guideline for oil and gas transmission pipeline geographic information system development GB/T 38710-2020介绍: 国家标准《油气输...
英文:Guideline for oil and gas transmission pipeline geographic information system development GB/T 38710-2020介绍: 国家标准《油气输...