对公众的个人年剂量当量限值，全身照射时应低于（）
A.1mSv
B.2mSv
C.3mSv
D.4mSv
E.5mSv
参考答案：E
He has _______the cup ______water.
A．fills ; with
B．filled; of
C．filled; with
D．fill; of
简述YB45型硬盒包装机的组成。
