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long plug drawing
释义
long plug drawing
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工学
管材拉拔
释
long plug drawing
长芯头拉拔
在管坯内套入一根长芯杆,使芯杆与管材一同拉出模孔,以实现减壁与减径的拉拔。又称长芯杆拉拔。
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