1.2355材質單1.2355應力消除
1.2355材質單分析1.2355如今新報價1.2355信息資訊1.2355設備百度百科1.2355電學好分這些請見講述:++++++++++++++++++材質單電學好分++++++++++++++++++1.2355材料號:1.2355EN鋼材型號:50CrM,,oV13-15下達基準:ENISO4957APP鋼C0.45-0.55Si0.2-0.8Mn0.5-0.9Pmax0.03Smax0.02Cr3-3.5Mo1,,.3-1.7V0.1,,5-0.35光潔度HB:248上面是相應的1....
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