The invention relates to a non-metal filling medium used for fabricating a three-way pipeline and a process for extruding the three-way pipeline.
本发明涉及一种制造管道三通的非金属填充介质及用其挤压三通的工艺。
The invention relates to a non-metal filling medium used for fabricating a three-way pipeline and a process for extruding the three-way pipeline.
本发明涉及一种制造管道三通的非金属填充介质及用其挤压三通的工艺。
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