氰化鈰 的英文怎麼說
中文拼音 [huàshì]-
4 the research, development and production of surface engineering - new plating techniques ; electroless plating, composite electroplating ; aluminium and its alloys hard anodizing and colouring, metal surface ceramics and the surface modification of special nonmetal materials
鋁合金表面微弧氧化自潤滑陶瓷覆層新技術電沉積或脈沖電沉積制備多功能復合材料新技術無氰電鍍鋅-鋁合金和鋅-鈰合金新工藝
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