1.2344化學成分1.2344硬度是多少
1.2344藥劑學好分認識1.2344近日報價為1.2344信息資訊1.2344貨品詳細資料1.2344藥劑學好分之類的請見解紹:++++++++++++++++++藥劑學好分藥劑學好分++++++++++++++++++1.2344裝修材料號:1.2344EN類型:X40CrMoV5-1執行力標準規范:ENISO4957APP鋼◎藥劑學好分:C,熱加工處理,0.35-0.42Si0.8-1.2Mn0.25-0.5Pmax0.03Smax0.02Cr4.8,,-5.5Mo1.2-1.5V0.85-1.15硬性HB...
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