reduced pipe的例句大全

Study on wall thickness distribution in thickened section of stretch reduced pipe

张力减径管端增厚段壁厚分布规律的研究

Field test show that the rate of pipe broken and thread tripping of the shell string made up by the special pipes developed in this dissertation reduced obviously; there is no problems of mechanical strength and sealing; the string has a long duration of normal operation.

现场试验表明：本文研制的专用杆组成的壳体杆柱断脱率明显降低，无机械强度和密封问题，正常运转时间长，可以作为优先选用的重力热管壳体专用杆件。

The tapered diameter design was adopted, in which the whole multiple outlet pipeline consists of pipe segments with different diameters in such a way that the pipeline cost can be reduced on condition that the allowable pressure head difference is satisfied.

在满足多孔管允许压力差的条件下，采用变径设计，即整条多孔管由若干种标准管径的管道组成，可降低多孔管投资。

Makes some appropriate adaptations on the non equal temperature difference method for the single and double pipe system used in highrise buildings, gives reduced resistance coefficients of the whole service risers to make quick hydraulic calculation.

按不等温降计算法的思路对高层建筑单双管系统进行了变通处理，给出了水力计算中整根立管的折算阻力系数，以便进行单双管混合式系统的水力计算。

The economic evaluation showed that the ethylene cost can be reduced by 25% than that of gas oil pipe still pyrolysis process.

经济评价结果表明，该工艺与石脑油管式炉裂解工艺相比，可使乙烯成本降低约25%。

The result shows that mass flow and flow velocity of inlet pipe were improved and energy loss was reduced. Engine torque and power at middle and high engine speed were improved.

结果提高了质量流量和进气门出口速度，减少了流动损失，提高了发动机在中高速转速时的转矩和功率。

An under well pipe is not needed in site utilization, and the settled washing wax and pressure testing work goes down to the well together with the pump, which reduced the method cost.

现场应用时不需要独起出井下管柱，可结合下沉的清蜡检、测压作业随泵下井，减少了措施成本。