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单词 Pilger tube-reducing process
释义 Pilger tube-reducing process
[`pil·gǝr `tüb ri´düs·iŋ ´prä·sǝs]
METALLURGY
A tube-reducing process in which pierced billets are forced over a mandrel between two rolls with inclined axes and given a rotary forging treatment; the tube is advanced during the gap in each revolution.
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