(来学网)动物全血的相对密度约在
  • A.
    (来学网)1.987~3.209
  • B.
    (来学网)1.097~1.987
  • C.
    (来学网)1.050~1.060
  • D.
    (来学网)0.509~1.060
  • E.
    (来学网)1.010~1.050