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- 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。
- Power line communication (PLC) uses power line as communication media for data transmission and information exchange. 电力线通信(Power Line Communication，PLC)是指以电力线作为媒质进行数据、信息的传输和交换。
- This article introduces development of the power line communication equipment at the digitize time. 对电力线载波通信设备在数字化发展方面作了一定的说明。
- 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。
- So the best scheme is ARQ error control in power line communication using data error control protocol. 本文提出了以随机数确定传输数据顺序、用单向哈希函数对数据进行运算、用一次性加密方法对哈希值和随机数进行加密的数据加密解决方案。
- Reliability of power line communication(PLC) over low-voltage network(LVN) limits badly the application scale of PLC in practice. 分析了电力线通信技术的原理与实现方法,指出了电力线通信技术在农业信息化中的应用前景。
- In view of the defect of big noise and signal attenuation which lie in LV power line communication, it applies DSSS communication technology. 针对低压电力线载波通信中存在的背景噪声大、信号衰减大等缺点,采用了直序扩频通信技术。
- 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。
- 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。
- Compared with traditional monitoring system of coal mine,integrated monit oring system of coal mine based on power line communication technology has great er competing power. 与传统的煤矿监控系统相比,基于电力线通信的煤矿综合监控系统具有更强的市场竞争力。
- With the application of the spread spectrum carrier and the power line communication,this system has such advantages as reliable transmission,low cost and high practicality. 由于采用扩频载波和电力线通信技术,因此该系统具有传输可靠、成本低廉和布线资源广泛等特点,并且具有很好的实用性。
- 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。
- 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。
