A.設(shè)計平距減實測平距 B.實測平距減設(shè)計平距 C.設(shè)計平距減實測斜距 D.實測斜距減設(shè)計平距
A.13.688m B.16.312m C.16.401m D.17.713m
A.1 B.2 C.3 D.4