石油天然气 meaning in English
oil gas
petroleum and natural gas
Examples
- China national oil and gas exploration development co
中国石油天然气勘探开发公司 - Standard for petroleum and natural gas engineering drawings
石油天然气工程制图标准 - Classifications for petroleum resources reserves
石油天然气资源储量分类 - Hot - rolled wide strips for line pipe of oil and natural gas
石油天然气输送管用热轧宽钢带 - Safety signs for the special purpose of oil and gas production
石油天然气生产专用安全标志