1.2344化學成分1.2344硬度是多少
1.2344催化成份熟悉1.2344今夭價目1.2344信息1.2344護膚品介簡1.2344催化成份之類的請見介紹書:++++++++++++++++++催化成份催化成份++++++++++++++++++1.2344用料號:1.2344EN品牌:X40CrMoV5-1來執行標準規定:ENISO4957工具軟件鋼◎催化成份:C,熱辦理,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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