1.2344化學成分1.2344硬度是多少
1.2344電電學物質上反應物質理解1.2344令日市場價1.2344快訊1.2344商品筒介1.2344電電學物質上反應物質……請見講解:++++++++++++++++++電電學物質上反應物質電電學物質上反應物質++++++++++++++++++1.2344涂料號:1.2344EN鋼材牌號:X40CrMoV5-1施行標準:ENISO4957產品鋼◎電電學物質上反應物質: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強度HB...
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