1.2343化學成分1.2343用途
1.2343耐腐蝕營養有效成份詢問1.2343令天報價表1.2343訊息1.2343產品設備簡潔1.2343耐腐蝕營養有效成份等等等等 請見了解:++++++++++++++++++耐腐蝕營養有效成份耐腐蝕營養有效成份++++++++++++++++++1.2343裝修材料號:1.2343EN品牌:X37CrMoV5-1履行標準單位:ENISO,特異鋼,4957機器鋼C0.33-0.41Si0.8-1.2Mn0.25-0.5,,Pmax0.03S,,max0.02Cr4.8-5.5Mo1.1-1.5V0.3-0.5堅硬程度HB:229以內...
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