(来学网)扩张囊注水后,对表面皮肤的压力应不高于
  • A.
    (来学网)20mmHg
  • B.
    (来学网)25mmHg
  • C.
    (来学网)30mmHg
  • D.
    (来学网)35mmHg
  • E.
    (来学网)48mmHg