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气体渗氮技术
释义
气体渗氮技术
Encyclopedia
工学
热处理技术
释
gas nitriding technology
气体渗氮技术
在特定温度的渗氮气氛中长时间保温,使得氮原子渗入金属表面,以改变其成分、组织及结构,从而实现工件表面力学性能改善的工艺。
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Pragmatic Sanction
pragmatic strengthening
pragmatic theory of truth
Pragmatism
pragmatism
pragmatism methodology of psychology
pragmatist aesthetics
pragmatist ethics
Prague National Theatre
Prague Quadrennial of Performance Design and Space
Prague Terminology School
Prague Uprising
Praha
Praia
Praieira Revolt
prairie
prairie and meadow ecosystem nature reserve
prairie ecosystem
prairie gentian
Prairie grassland
Prairie House
prairie rat infestation monitoring
prairie rodent bait machine
praise and satire
Praise of Taoist Robe by Fan Zhongyan
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