A.K3+135.12 B.K3+091.05 C.K3+175.52 D.K3+133.28 E.K3+100.28
A.44.072m B.3.670m C.7.837m D.84.474m E.32.124m
A.直圓點(diǎn)(ZY) B.曲中點(diǎn)(QZ) C.交點(diǎn)(JD) D.圓直點(diǎn)(YZ) E.直線(xiàn)轉(zhuǎn)點(diǎn)