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无模拉拔
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无模拉拔
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拉拔
释
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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stone implement media
stone-inscribed prayer in the Gaxian Cave
stone inscription
Stone Inscription at Fengyugou
Stone Inscription at Shexian
Stone Inscription in the Xianbei's Stone Chamber
Stone Inscription of Guanghe Six Year
Stone Inscription of Opening Baoxie Road by Chujun
Stone Inscription of the Elders' Deeds in Shitingli for Land Property Transaction
Stone Inscription of the Han Dynasty at Alxa Meng
stone inscription of Wei and Jin Dynasties
Stone Inscription on the Tower of Kaimu Temple
Stone Inscription Scriptures Wall at Heri Temple
Stone Inscriptions in Jurchen Hierogryphic
Stone Inscriptions in Khitan Hieroglyphic
Stone Inscriptions in Mongolian Script
Stone Inscriptions in Western Xia (Tangut) Hieroglyphic
Stone Inscriptions in Western Xia(Tangut) Hieroglyphic
Stone Inscriptions of Ancient Calligraphy Masterpieces of the Baoxian Hall
Stone Inscriptions of Jurchen Hierogryphic
Stone Inscriptions Recording Alliances from Wenxian
stone inscription with ancient scripts, small seal scripts and clerical scripts
stone in the urine
Stone Kneeling Person with Tiger's Head from Mausoleums of Xibeigang
stone land certificate
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