1.2343化學成分1.2343用途
1.2343生物學精分了解1.2343下面參考價格1.2343快訊1.2343企業產品筒介1.2343生物學精分等請見詳細介紹:++++++++++++++++++生物學精分生物學精分++++++++++++++++++1.2343原料號:1.2343EN鋼材牌號:X37CrMoV5-1連接規格:ENISO,特別的鋼,4957平臺鋼C0.33-0.41Si0.8-1.2Mn0.25-0.5,,Pmax0.03S,,max0.02Cr4.8-5.5Mo1.1-1.5V0.3-0.5光潔度HB:229上面的...
查看更多