1.2344化學成分1.2344硬度是多少
1.2344藥劑學完分認知1.2344現今參考價格1.2344方式1.2344設備間介1.2344藥劑學完分……請見簡紹:++++++++++++++++++藥劑學完分藥劑學完分++++++++++++++++++1.2344板材號:1.2344EN型號:X40CrMoV5-1執行力標:ENISO4957工貝鋼◎藥劑學完分:C,熱治療,0.35-0.42Si0.8-1.2Mn0.25-0.5Pmax0.03Smax0.02Cr4.8,,-5.5Mo1.2-1.5V0.85-1.15硬度標準HB...
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