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块炼渗碳钢
释义
块炼渗碳钢
Encyclopedia
理学
中国古代钢铁冶炼技术
释
carburized steel made of bloom
块炼渗碳钢
一种由铁矿石原料在固体状态下还原并在炭火中锻打渗碳的古代制钢技术或钢制品。
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historic and scenic mountains and rivers
Historic Bridgetown and its Garrison
Historic Centre of Kraków
Historic Centre of Macao World Culture Heritage
Historic Centre of Shakhrisyabz
Historic Centre of the City of Salzburg
Historic Centre of the Town of Olinda
Historic Centre of Vienna
Historic City of Vigan
Historic City of Vigan World Culture Heritage
historic cultural areas
historic-cultural nature of human
Historic Ensemble of the Potala Palace, Lhasa World Culture Heritage
historic environment
historic garden and park
historicism
Historic Jeddah
historic map
Historic Monuments of Dengfeng in “The Centre of Heaven and Earth” World Culture Heritage
historico-geographical materialism
Historic Quarter of the City of Colonia del Sacramento
Historic Sanctuary of Machu Picchu
historic site
Historic Site at Lelang and Daifang Commandery
Historic Town of Ouro Preto
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