... 渗碳碳素钢carburizing carbon steel 渗碳合金钢carburizing alloy steel 氮化钢调质钢hardened and tempered steel ...
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... alloy structureal steel渗碳碳素钢 carburizing carbon steel渗碳合金钢 carburizing alloy steel氮化钢 ...
基于12个网页-相关网页
短语
渗碳合金结构钢
carburised alloy structural steel
合金渗碳钢
alloy carburizing steel
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