The oil is carried in pipelines.
石油用管道输送。
There are too many pipelines .
太多的管线了。
To increase the number of vertex pipelines.
增加顶点流水线的条数。
It is easy to create new steps from existing pipelines.
从现有管道创建新的步骤非常容易。
When the pipelines burst, oil poured across the street.
输油管破裂后，油流满了街道。
They are second in transport efficiency only to oil pipelines.
它们在运输效率上排名第二，仅次于石油管道。
Corrosion is the primary failure mode of pressurized pipelines.
腐蚀失效是压力管道失效的主要模式之一。
A welding structure is used to connect the valve and pipelines.
阀门与管路连接采用焊接式结构。
A major practice is to sluice through pipelines to settling pond.
较重要的方法是经过管道冲流到沉淀池。
And the distant fields are hard to reach, for both people and pipelines.
对人和输送管道来说，远距离的油矿是很难触及到的。
The pipeline directory structure can contain one or more pipelines.
管线目录结构可包含一个或多个管线。
The laying of pipelines is a task with high difficulty and high risk.
海底管线铺设是一项高难度、高风险的海上作业。
Gas pipelines have a single role of booster pumps and pump dual role.
气体管道增压泵有单作用泵和双作用泵。
Using this method, the failure of oil and gas pipelines is discussed.
文中利用该方法对油气管线进行了失效分析。
The earthquake damage to water supply and sewerage pipelines is studied.
对地下结构的主要形式之一城市给排水管道的震害进行了研究。
Erosion and scale deposit in partial pipelines made more on-way resistance.
还有部分管线由于腐蚀结垢，沿程阻力增大。
Earlier, Ukraine shut all four of its pipelines that ship the fuel to Europe.
早些时候，乌克兰关闭了向欧洲输送燃料的所有四根管道。
Severe corrosion prevention for metal process pipelines of acid, base and salt.
酸、碱、盐等金属工艺管线的重腐蚀防护。
The level of valve lift check valve should be installed in horizontal pipelines.
升降式水平瓣止回阀应安装在水平管道上。
The analysis of human reliability factor system about long oil and gas pipelines;
人的可靠性研究是系统可靠性研究的一项重要内容。
It can provide a good protection for oil storage tanks and buried steel pipelines.
上述经验对于油品储罐及埋地金属管线的防护具有一定的参考价值。
Please explain the method of field test and flushing(blowing off )of the pipelines.
请申明管线的现场试验以及冲刷（吹净）要领。
Please explain the method of field test and flushing (blowing off) of the pipelines.
请说明管线的现场试验和冲洗(吹净)方法。
The main reason for corrosion of oil pipelines in Qinghai oil field has been studied.
研究了青海油田集输管线腐蚀的主要原因。
Submarine pipelines land generally from deep water to shallow water, through tidal zone.
海底管道大都是由深水到浅水，经过潮差段登上陆地的。
Also when digging operations have potential to strike underground pipelines or utilities.
挖掘作业可能损坏地下管道或公用设施。
Also when digging operations have potential to strike underground pipelines or utilities.
挖掘作业可能损坏地下管道或公用设施。
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