pilgering
释义与例句
n.
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1.
A cold-rolling process used in the shaping of metal tube and pipe. It involves two circular dies, with an uneven u-shape along the circumferential axis, being brought into contact with a large pipe. The dies are rolled backwards and forwards to apply pressure all around the pipe, to reduce its diameter to the desired size.
不可数
v.
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1.
present participle and gerund of pilger