1.2312是什么材料1.2312推廣價格
1.2312是東西原料理解1.2312下面價格表1.2312新聞咨詢1.2312產品概況1.2312催化含量特點請見分享:++++++++++++++++++是東西原料催化含量++++++++++++++++++1,,.2312原料號:1.2312EN品牌:40CrMnMoS8-6連接準則:ENISO4957平臺鋼C0.35,,-0.45Si0.2-0.4Mn1.3-1.6Ni0.9,,-1.2Pmax?0.03Smax0.03Cr1.8-2.1Mo0.15-0.25往上是一些1....
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