A.北面 B.南面 C.同一点 D.不一定
A.大于22nmile B.小于22nmile C.大于20.9nmile D.小于20.9nmile
A.大于15nmile B.小于15nmile C.大于16.7nmile D.小于16.7nmile
A.26.7nmile B.31.3nmile C.22.9nmile D.35.0nmile
A.8.36 B.12.54 C.10.45 D.18.81