1.2355材質單1.2355應力消除
1.2355不銹鋼所選材質單知道1.2355今天報價為1.2355方式1.2355商品百度百科1.2355藥劑學好分等情況請見介紹一下:++++++++++++++++++不銹鋼所選材質單藥劑學好分++++++++++++++++++1.2355裝修材料號:1.2355EN鋼材牌號:50CrM,,oV13-15審理條件:ENISO4957工貝鋼C0.45-0.55Si0.2-0.8Mn0.5-0.9Pmax0.03Smax0.02Cr3-3.5Mo1,,.3-1.7V0.1,,5-0.35對抗強度HB:248之上是涉及1....
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