double pane还分节能不节能?
所有跟帖:
• 嗯。这种的中间很薄。冷热不隔。比单层当然是好了。 -empyrean8- ♀ (115 bytes) () 12/10/2013 postreply 20:10:05
• 嗯。这种的中间很薄。冷热不隔。比单层当然是好了。 -empyrean8- ♀ (115 bytes) () 12/10/2013 postreply 20:10:05
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