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辗环
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辗环
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ring rolling
辗环
在轧辊的作用下,使环件产生连续局部塑性变形,实现环件直径扩大、壁厚减薄、截面轮廓逐渐成形的塑性加工工艺。又称环件轧制、辗扩。
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Nanyang Public Normal College
Nanyang Public School Press
Nanyang Quanye Exposition
Nanyang Sanxian storytelling
Nanyang Shi
Nanyang Siang Pau
Nanyang State Office
Nanyang Stone-carved Art Museum in Han Dynasty
Nanyang Technological University
Nanyang University
Nanyan Temple Caves
Nan Yan Zhou
Nanyin
Nan Yin classical music in Guangdong province
Nan Yin Classical Music Society in Taiwan
nanyin xiao
Nan You Jiayu
Nan Yuan
Nanyue Film Company
Nanyue Kingdom
Nanyue King’s Tomb
Nanyue King’s Tomb Multiple-level Jade Belt Hook
Nanyue Qu
Nanyue Temple
Nanyuwei Dao
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更新时间:2025/7/4 14:46:47