A.灰土 B.沖填土 C.素填土
A.泥漿護(hù)壁成孔灌注樁 B.人工挖孔灌注樁 C.干作業(yè)成孔灌注樁
A.豎向預(yù)應(yīng)力鋼筋 B.縱向預(yù)應(yīng)力鋼筋 C.橫向預(yù)應(yīng)力鋼筋
