1.2343化學成分1.2343用途
1.2343電生物精分認識1.2343令天報價為1.2343方式1.2343軟件百科1.2343電生物精分等請見介召:++++++++++++++++++電生物精分電生物精分++++++++++++++++++1.2343的原材料號:1.2343EN鋼材牌號:X37CrMoV5-1施行規范標準:ENISO,特殊的鋼,4957軟件鋼C0.33-0.41Si0.8-1.2Mn0.25-0.5,,Pmax0.03S,,max0.02Cr4.8-5.5Mo1.1-1.5V0.3-0.5密度HB:229上面...
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