A.1.10 B.1.15 C.1.18 D.1.20
A.溝槽項(xiàng)目 B.基坑項(xiàng)目 C.平基項(xiàng)目 D.人工挖土項(xiàng)目
A.底寬4m,底長12m B.底寬5m,底長15m C.底寬4m,底長24m D.底寬5m,底長14m