那应该是Sewer Pump的功能吧?
所有跟帖:
• 道理相同. 能顺利排出去的就不需要额外的系统了. -bingxiao2011- ♀ (0 bytes) () 02/24/2014 postreply 18:29:33
• 地下室retaining wall的backdrain系统不完整, 或地基土不是渗透性好的土壤 -bingxiao2011- ♀ (47 bytes) () 02/24/2014 postreply 18:40:27
• 道理相同. 能顺利排出去的就不需要额外的系统了. -bingxiao2011- ♀ (0 bytes) () 02/24/2014 postreply 18:29:33
• 地下室retaining wall的backdrain系统不完整, 或地基土不是渗透性好的土壤 -bingxiao2011- ♀ (47 bytes) () 02/24/2014 postreply 18:40:27
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