闻见学行 发表于 2012-9-3 08:33 1 M) ?8 O, S8 v' }, F R
谢谢指导!我刚买的是一个35年的老房子,侧门一边做了混凝土地面硬化,后院的平台也是混凝土的,但 ...
2 ^* c5 Y' v2 bYou may need a mud jack or concrete level. Try yellow page under MUD JACK to find a contractor. I have heard names like CLASSIC CONCRETE AND MUDJACKING, LOW'S concrete leveling solutions. 5 b& I* n: ~: ]+ O4 J5 fFYI only, no affiliation or personal experience with these companies.