成熟後樹冠大的trees such as live oaks加上 shrinkable clay soils,地基被拱壞的可能性就很大。
補充一點。跟你所在地的土壤類型也很有關係。如果是
所有跟帖:
• NOD。。 -tianfangye- ♂ (0 bytes) () 09/25/2012 postreply 20:53:13
成熟後樹冠大的trees such as live oaks加上 shrinkable clay soils,地基被拱壞的可能性就很大。
• NOD。。 -tianfangye- ♂ (0 bytes) () 09/25/2012 postreply 20:53:13
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