0Cr21Ni6Mn9N不锈钢管材数控弯曲截面畸变有限元分析
0Cr21Ni6Mn9N불수강관재수공만곡절면기변유한원분석
FE analysis of section distortion in numerical control bending of the 0Cr21Ni6Mn9N stainless steel tube
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