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碳氮共渗
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碳氮共渗
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carbonitriding
碳氮共渗
奥氏体状态下(800~880℃),在工件表面同时渗入氮、碳元素,且以渗碳为主的化学热处理工艺。
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Haier washing machine
Haifa
Haifeng Baizi opera Heritage Centre
Haifeng Xian
Haifeng Xiqin Opera Heritage Centre
Haigang Qu
Haigh diagram
Haig mount
Hai He
Hai he House of Tianjin
Haihe Pingyuan
Haihe River flood control
Haihe River flood in 1963
Haihe River flood in 1996
Haihe River Water Conservancy Commission of the Ministry of water resources
Haihe tidal barrier
Haihe Tidal Gate
Haihe Water Resources
Haihe’s River Park of Tianjin
Haihun marquis Liu He
haikai
Haikou City Qiongju Performing Arts Co. Ltd
Haikou intelligent tourism
Haikou Port
Haikou Shi
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