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Critical regions might be masked to keep their restricted tolerances. Anodized pieces is usually dyed generating a easy aesthetically pleasing surface area.Area roughness is usually a evaluate of the smoothness of a part’s surface area, which specifically impacts friction, don, sealing and exhaustion strength. At this time, the core parameters an

電子煙的發展與優勢電子菸是一種利用電池供電、將煙油加熱產生蒸氣的裝置。相較於傳統香菸，其不含紙菸燃燒產生的焦油與一氧化碳，因此被視為相對較低害的吸煙替代品。除了健康考量，現代電子煙設備在設計上也日益講究，體積小巧、外型時尚，非常適合�