(来学网)常用肠内营养制剂的能量密度有()。
  • A.
    (来学网)0.5kcal/ml
  • B.
    (来学网)1.0kcal/ml
  • C.
    (来学网)1.5kcal/ml
  • D.
    (来学网)2.0kcal/ml
  • E.
    (来学网)3.0kcal/ml