(来学网)正常人行走中站立相约占步行周期的
  • A.
    (来学网)55%~60%
  • B.
    (来学网)60%~65%
  • C.
    (来学网)65%~70%
  • D.
    (来学网)0.6
  • E.
    (来学网)0.65