单项选择题
A.149.8N/mm2 B.164.9N/mm2 C.181.2N/mm2 D.208.2N/mm2
A.946.5kN B.965.3kN C.980.0kN D.1004.3kN
A.仰斜挡土墙 B.垂直挡土墙 C.俯斜挡土墙 D.基底递坡仰斜挡土墙