您要查找的是不是：
- gravity pipe line 重力管道
- 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。
- In the planning and design of gravity water transfer system, the combined pattern of pressure-free pipe and canal with pressured pipe line is sometimes adopted to carry out water transfer. 在重力输水系统的规划设计中，有时采用无压管渠与压力管道相结合的方式输水。
- 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。
- 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 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。
- 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；
- 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。
- We are fully aware of the gravity of the situation. 我们十分清楚形势的严峻性。
- Moon's weak gravity let the gasses slip away into space. 月球的微弱引力允许气体逃到太空里去。
