1.2379是什么材料1.2379會生銹嗎
1.2379是啥子用料詳細了解1.2379接下來新報價1.2379資迅1.2379護膚品概況1.2379藥劑學好分等請見說:++++++++++++++++++是啥子用料藥劑學好分++++++++++++++++++1.2379用料號:1.2379EN鋼號:X153CrMoV12審理規格:ENISO4957生產工具鋼C1.45-1.6Si0.1-0.,,6Mn0.2-0.6Pmax0,,.03Smax0.03Cr11--13Mo0.7-1V0.7-1強度HB:255,,這些是涉及1.237...
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