A.水平、铅直 B.水平、倾斜 C.铅直、水平 D.铅直、倾斜
A.85.76m,128.53m B.14.24m,-28.53m C.-14.24m,28.53m D.-85.76m,-128.53m
A.-0.550 B.45.450 C.46.550 D.46.000