A、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 14px"><strong>基础直接建造在未经处理的天然土层上的地基</strong></span>
B、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 14px"><strong>基础建造在桩基上</strong></span>
C、<strong><span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 14px">使用桩基</span></strong>
D、<strong><span style="FONT-FAMILY: 'Times New Roman','serif'; COLOR: black; FONT-SIZE: 14px"><span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 14px"><strong>使用桩筏</strong></span></span></strong>