分析了带弯芯塑料三通管的注射成型工艺，并对成型过程出现的缺陷进行预测。
The molding technology of three-way plastic tube with flexural core is analyzed and the molding faults in plastic injecting process are forecasted.
在直插管道与弯管、三通等异形管件的相互联接中，具有安装效率高、密封性能好的优点。
The pipe quick coupling port structure has the advantages of high installation efficiency and high sealability in the coupling of such special pipes as straight pipes, bent pipes, T-joints and so on.
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