y pipe 分叉管
Y-pipe Y 形接管
Y-pipe e 三通管
dry y pipe 干汽管
alloy y pipe 合金管
supply y pipe 进料管
y pipe design 岔管设计
delivery y pipe 输送管
y pipe well points 管井井点
The method of stress analysis for pipe with special joints including Y joint and taper - taper joint is indicated through the analysis of vacuum transfer line.
本文通过对减压转油线的应力分析，说明了特殊形状三通管道（包括Y形三通、裤形三通） 的应力分析方法和过程。
The invariablenes condition of circle girth of the join-line end of the main pipe was set up and the join-lines on Y-tee to be ellipse was made certain.
建立了圆柱分支管y型三通的主管相贯线处的周长不变的条件，确定了相贯线为椭圆。
The procreative blanking plug of the "Y type" pipe string has check valve function and it can conveniently for reverse circulation well cleanup.
型管柱中的生产堵塞器具有单流阀作用，可方便进行反循环洗井；
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