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- 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；
- petroleum pipe line 输油管
- These resins may be used in water shutoff profile control, pealing pipe line, dewatering of oil product and crude oil, and sewage disposal etc. in petroleum industry. 用于石油工业可作为堵水调剖、管线密封、原油成品油脱水、污水处理等。
- 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。
- This article analysis the HIC and its characteristic of the pipe line transmitting high H2S Petroleum and Gas, and the environment factor and mat erial factor which affect the HIC. 摘 要 分析了输送高湿含硫化氢较高的石油天然气 管线钢管的氢致裂纹(HIC)现象及特点，以及影响HIC的环境因素和材料因素。
- Because petroleum pipe has an awful work environment, it has more and more demands on its wall deep, intensity, toughness, weldable and so on. 由于石油钢管的工况恶劣，石油钢管对壁厚、强度、韧性以及可焊性等各个方面具有越来越高的要求。
- 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。
- The macro and micro characteristics of vacuolar corrosion were studied;a failure case of vacuolar corrosion of petroleum pipe of seashore well-drilling rig was discussed. 通过讨论海上石油钻井平台用管材空泡腐蚀失效的案例,研究管材空泡腐蚀的宏观特征和微观特征。
- 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。
- Houston has become petroleum and the petroleum and chemical centre, gas network of pipe lines point assembling , centre being also that the astronavigation studies and develops. 休斯敦现已成为石油与石化中心，天然气管道网的汇集点，也是宇航研究和发展的中心。
- In airtight petroleum piping process,the pressure regulation between upstream and downstream pump stations are significant. 在密闭输油过程中，上、下游泵站之间的压力调节至关重要。
- 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。
- Petroleum pipe welding line detecting robot system based on DSP 基于DSP的石油管道焊缝检测机器人系统
- 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。
- carbide segment threading insert for petroleum pipe 石油管螺纹硬质合金扇形刀片
