Protection grid , for main filter made by anodized aluminium.

由电镀铝制成, 用于主过滤器.

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Protection grid , for main HEPA filter made by anodized aluminium.

防护栏:由电镀铝制成, 用于主过滤器.

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Anodized aluminium handles on both ends for positioning on benchtop.

已氧化的美观的铝制把手分布基座两端,使其更加稳固.

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New developments in methods and mechanisms of electrolytic coloring of anodized aluminium and its alloy paper.

介绍铝及铝合金电解着色方法和机理方面的发展.

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