水密性优异，传热性能好。
该灯外壳采用铝合金浇铸，水密结构，外型美观，安全性好。
This lamp of outer covers adopt the aluminium alloy casting, the dense structure of water, aesthetic in appearance. The security is excellent.
该灯外壳采用铝合金浇铸，水密结构，外型美观，安全性好。
This lamp of outer covers adopt the aluminium alloy casting, the dense structure of water, aesthetic in appearance. The security is excellent.
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