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- Why hasn't the U.S.Stopped the Ugi Gas pipeline? |为什么美国没有阻止 优基石油公司的管道计划？
- The Shaanxi- Beijing natural gas pipeline was put into use. 陕西到北京的天然气输气管道建成投产。
- His machine cut a natural gas pipeline in Wyoming on Saturday. 周六其推土机切断了地处怀俄明州的一条天然气输送管道。
- The west-to-east gas pipeline project has a strong contingent of builders. 铺管队伍也是兵强马壮。
- The valve is used on the gas pipeline as a pressure regulating device. 本阀用于煤气管路上作压力调节。
- Using gas pipeline pressure to liquefy natural gas or ganerate electricity. 利用气体管线压力液化天然气或发电。
- The leakage of natural gas pipeline will result in a certain hazardous zone. 摘要天然气管道发生气体泄漏将造成一定的危险范围。
- Do gas pipeline volume and pressure have the formula secretly scheming against? 天然气管道容积和压力有没有计算公式？
- Therefore, the calculation of quick transient flow in gas pipeline is ac... 特征线法物理概念明确,数学分析严谨,计算精度高。
- The second long-distance gas pipeline and its supporting facilities will be built from North Shaanxi to Beijing. 建设陕北天然气进京第二条长输管线及配套设施；
- The west-to-east gas pipeline will accelerate the process of energy transfer in China. 西气东输将有助于中国加速实现这一转变。
- PE oil transmission, gas pipeline and control of production, sales and after-sale products produced. pe输油、气管道和管件的生产，销售自产产品及售后服务。
- In 2002, our corporation won the competitive bidding of the anchor flange for West-East Gas Pipeline Project. 2002年我公司在西气东输管道工程锚固法兰的竞标中。
- This article describesconstruction cest of gas pipeline in U. S. A,comparing design cost with actual cost. 本文介绍了美国输气管道的建设成本，对美国输气管道建设的设计成本与实际成本进行了比较。
- A mathematical model about the duration of seal test of hydrostatic test for gas pipeline was developed firstly. 研究成果为管道严密性水试压稳压时间的确定,以及强度试压和严密性试压不能合并提供了理论依据。
- It introduces the gas pipeline mod ification technology developped by Chevalier-PR... 试验结果证明,这种结构形式和施工工艺性能优良、安全可靠,能够满足天然气输送。
- Therefore, the vibration induced by fluid pulsation is analyzed for a section of gas pipeline. 为此，对一段天然气管系的流体脉动激发振动进行了分析。
- Existing gas pipelines can't carry it because it corrodes iron. 现有输油管不能输送乙醇因为它腐蚀铁器。
- The types and application scope of stopple plugging technologies for Chinese urban gas pipeline are introduced. 介绍了我国城市燃气管道带压不停输封堵技术的种类和适用范围。
- One company, CrossCountry Energy, will operate Enron's three main North American natural gas pipeline businesses. 这一新形象没有丝毫虚假经营活动的痕迹，而是以一种审慎、透明的形象示人。
