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dieless drawing
无模拉拔
利用金属在局部加热时,加热部位变形抗力降低,在施加外拉力的作用下,不使用模具而使坯料产生塑性变形的拉拔技术。
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poly (butylene terephthalate)
polybutylene terephthalate fiber
polycapillary X-ray lens
polycaprolactam
polycaprolactone
polycarbazole
polycarbonate
polycarbosilane
polycategory
polycatenane
polycentral
polycentric
polycentric governance
polychlorinated biphenyl
polychlorinated biphenyls
polychlorinated dibenzofurans
polychlorinated dibenzofurans (PCDFs)
polychlorinated dibenzo-pdioxins
polychlorinated dibenzo-pdioxins (PCDDs)
poly(chlorinated halogenated olefin)
polychloroether
polychloroprene
poly (chlorotrifluoroethylene)
polychlorotrifluoroethylene
poly (chlorotrifluoroethylene); polytrifluorochloroethylene (PCTFE)
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