A.7 B.28 C.60 D.90
A.50*50*50 B.70.7*70.7*70.7 C.100*100*100 D.150*150*150
A.淺層軟弱土和不均勻土層 B.淤泥質(zhì)土、淤泥 C.沖填土 D.細(xì)砂