Both aluminum and copper have their respective advantages and disadvantages. Copper's superior conductivity and mechanical properties make it ideal for high-performance applications, while aluminum's lower cost and жин make it attractive for large-scale power distribution and applications where weight savings are crucial. The …
I. Introduction A. The importance of courtyard lights Courtyard lights not only add beauty to homes, but also enhance safety and comfort at night. The selection of materials is a key factor when choosing a suitable courtyard lamp. Common choices include aluminum lamps and plastic polyethylene lam...