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- small pipe line 小直径管线
- 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 light of the shortcomings of small leakage diagnosis of oil pipe line, a new leakage detection method based on modified rarefaction wave diagnosis model is presented. 针对国内外对输油管道小泄漏诊断工作存在的不足,研究了一种基于改进的负压波诊断模型的泄漏诊断方法。
- 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。
- So that only a very small pipe is formed, hence the name "balanced steel".Its yield of good steelis about 85 %. 结果只有很小的缩孔出现，因而获名"半镇静钢"。其成材率大约为85%25。
- 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。
- SPECIALTY BACKFLOW PREVENTERS with INTERMEDIATE ATMOSPHERIC VENT For low hazard cross-connections in small pipe sizes. Continuous pressure applications. 特殊防回流阀配置大气排气口用于小口径管道上的低危险交叉连接的地方。持续压力应用场合。
- 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。
- Aiming at the conditions of small pipe and serious dirt, a kind of reinforced type disc pig that can adapt the oil field conditions has been developed for single well of oil field. 针对油田单井注水管线管径小、结垢严重的情况 ,研制了适用于清洗单井注水管线的加强型圆盘清管器。
- 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。
- An experiment for coal combustion in a small pipe oven is reported with its results. The emission performance of 17 PAHs, which contains the 16 PAHs specified by the US Environmental Protection Agency, is studied under different combustion conditions. 该文报道小型管式炉燃煤实验,研究不同燃烧条件下17种多环芳烃(包括美国EPA推荐优先监测的16种多环芳烃)排放情况,探讨多环芳烃生成的影响因素和生成机理。
- 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。
- To study the inspection technology of small pipes inner surface,a method for extracting inner surface section was proposed based on the inner surface image analysis. 为了研究细管道内表面检测技术,在分析细管道内壁成像特点的基础上,提出了一种内截面轮廓提取方法。
