(来学网)我国规定,连续三个月内接受的个人外照射总剂量当量不得超过
  • A.
    (来学网)15mSv
  • B.
    (来学网)20mSv
  • C.
    (来学网)25mSv
  • D.
    (来学网)30mSv
  • E.
    (来学网)40mSv