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- long gas pipeline 长输管线
- 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。
- By using fault tree analysis(FTA)theories,the paper has set up FTA model to explain reasons for disfigurements of cracks in long gas and oil pipelines. 应用事故树理论建立了长输油气管道发生裂纹缺陷的事故树模型,给出了事故发生概率的计算方法。
- 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。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- You can keep my book as long as you like. 我的书你要借多久都随你的便。
- 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。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
