floor joist 間距小於12"可以用, 可以彌補強度不足
所有跟帖:
• 具體我不記得多大空隙了,反正最後裝上了就是 -mickey222- ♀ (0 bytes) () 09/09/2017 postreply 13:02:57
• 具體我不記得多大空隙了,反正最後裝上了就是 -mickey222- ♀ (0 bytes) () 09/09/2017 postreply 13:02:57
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