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pipe line row empty 水管排空
Debris in pipe line is too fine to be trapped by strainer. 管线内的碎片太细小导致过滤器无法截留。
DWTT separation fracture has been analyzed for pipe line steel. 摘要文章对管线钢DWTT试样上出现的分离断口进行了分析。
Maximum continuous flow based on pipe line velocity of 20 ft. per second. 最大持续流量以管路流速每秒20英尺为计算基础。
Prior to installation, thoroughly flush pipe line to remove any foreign matter. 在安装之前,彻底冲洗管线,清除任何外来物质。
Technical and Economic Analysis on Design of Production Pipe Line of C.P.P. 选煤厂生产管道设计的技术经济分析。
Maximum intermittent flow based on pipe line velocity of 25 ft. per second. 最大间歇流量以管路流速每秒25英尺为计算基础。
Clear pipe line with pressurized steam before installation steam trap. 安装疏水阀之前应用带压蒸汽吹扫管道。
Protective gas system: pipe line from the protective gas generation station to reducing annealing furnace. 保护气系统:从保护气体发生站至还原退火炉的管道。
After installation of valve, support the pipe line; a sagging pipe line can distort the valve and cause failure. 在安装阀门后，要对管道加上支撑物，否则下垂的管道可能会使得阀门变形并造成故障。
Swing Check valves prevent reversal of flow through pipe lines. 旋启式止回阀可以防止管路中的流体倒流。
After installation of valve, support line; a sagging pipe line can distort valve and cause failure. 安装阀门后，要支撑住管道：下垂的管道会使阀门产生变形而导致失败。
The flared fitting is a connector in order the pipe line system, in which oil, water, gas and all kinds of corrosive materials are used as the medium. 扩口式管接头是以油、水、气和各种腐蚀性材料为介质的管路系统中的一种连接件。
Use: As a single coat anticorrosive FBE coat for exterior steel pipe line for transportation of oil and gas, water and other finished products. 应用领域：主要应用于各种输油、输气、输水等钢质管道的外壁防腐。
Gas system: gas pipe line from the joint at 1m from the workshop outside wall to industrial furnaces. 燃气系统:从车间外墙外1米处的接点至工业炉的燃气管道。
For on-line calibration system of flowmeter, the working fluid flow is from the petroleum pipe line itself. 体积管工作时的液流，对于流量计在线检定系统，是来自输油管线本身；
If some views on circulating cooling water supply and return pipe line, measures of sys... 并对工程设计提出较具体的要求。
Prior to installation, flush the pipe lines to remove foreign material. 在安装之前,要冲洗管线,清除外来物质。
Leeds J M,Waterton M:Correlating Coating and Metal Loss Data Can Save O&M Money,Pipe Line &Gas Industry,March 1999. 方华灿;油气长输管道的安全可靠性分析;石油工业出版社(北京);2002.
After installation of valve, support the pipe line;a sagging pipe line can distort the valve and cause failure. 在安装阀门后，要对管道加上支撑物，否则下垂的管道可能会使得阀门变形并造成故障。