不必。现在LED都有棱镜(5-90度),吊线/架+嵌入都可(很轻+散热小)
所有跟帖:
• 我做这方面的,QQH -味苦- ♂ (0 bytes) () 10/25/2013 postreply 06:21:03
• 我做这方面的,QQH -味苦- ♂ (0 bytes) () 10/25/2013 postreply 06:21:03
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