不需要破坏或改变管道长度。
No disruption or length change of connected piping is required.
提出了加设防冲板、缩短单根管道长度及增加加强圈的改进措施。
The improving measures, including the installation of anti-impacting plate and stiffener as well as cutting single pipe length, were proposed.
分析表明当泄漏量达到稳态流量的1%时，定位精度最高可达到管道长度的1%。
Analysis shows that the locating error is within 1% of the pipeline length when the flowrate of leakage is 1% of the steady flowrate.
并用消声声衬及适当增加管道长度的方法进行了大量的实验研究，取得了良好的效果。
A lot of noise experimental researches on noise suppression have been carried out successfully by the aid of acoustic liner or appropriate increase of the duct length.
流量开关应该安装在水平管道或垂直管道上，每一侧至少有5倍管道直径的直线管道长度。
It should be installed in horizontal or vertical section of a pipe where there is a straight run of at least 5 pipe diameters on each side.
对不同氨分解率和膨胀比的多种情况进行了计算，并对热功率和管道长度的选择进行了分析。
Calculations are performed for various ammonia decomposition rates and various nozzle expand ratio, and the selection of heat power and passage length are investigated also.
该数学模型计算的结果表明，管道的输送能力随泵机组可靠度的降低和管道长度的增加而减小。
Result calculated by the mathematics model indicates that pipeline capacity decreases as the length of pipeline increases and reliability of pump unit reduces.
这使得人们可以用新的阀腔更换肮脏的阀门，新旧管接螺母能够互相配合，不需要改变管道长度。
This permits fouled valve replacement with a new body cartridge, which will fit the old union nuts. No change in piping length is required.
正在着火的管道长度大概在200米左右，消防官兵一边在用冷水冷却原油储备罐，一边用泡沫灭火。
The length of the pipeline is on fire about 200 meters, fire officers and soldiers while cooling oil reserves in the tank with cold water, while fire-fighting foam.
伴热电缆应按管道长度分布，一面物料在无伴热电缆处降温凝结，伴热电缆的长度应长于被伴热管道。
Heating cable length should be piping distribution side of the material in the cable at the cooling condensation unaccompanied heat, heat tracing cable length should be longer than the heating pipes.
分析了系统热容和管道长度对系统静动态性能的影响，为物理模拟不同热管理系统静动态特性提供了依据；
The effects of the ducts length and system thermal capacity on the system steady and transient characteristics were investigated in detail.
分析了手工下向焊、半自动焊、自动焊及特种焊等焊接方法的特点，在选择焊接方法时应考虑管道直径、壁厚、管道长度、设计条件、管子级别等因素。
The features of manual downhill welding, semiautomatic welding, automatic welding and other welding technologies like butt flash welding and laser beam welding (LEW) and so on are analyzed.
在考虑管道长度特征的前提下，把管道近似地看作长梁或薄壳，然后以“含裂纹零维度单元”模型（即垂直于裂纹面方向的单元尺度为零）计算出裂纹对管道动态特性的影响。
This paper treats a pipe as a beam or as a thin shell. Then, the effect of cracks on the dynamic characteristics of pipes is calculated by means of the model of zero dimension element with crack.
在考虑管道长度特征的前提下，把管道近似地看作长梁或薄壳，然后以“含裂纹零维度单元”模型（即垂直于裂纹面方向的单元尺度为零）计算出裂纹对管道动态特性的影响。
This paper treats a pipe as a beam or as a thin shell. Then, the effect of cracks on the dynamic characteristics of pipes is calculated by means of the model of zero dimension element with crack.
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