1#炉喉长约1000mm,炉膛净空尺寸1700mm。
参考答案:错
判断下列说法是(√)否(×)正确。
( ) 1. He likes skirt. She likes skirt. They are the same.
( ) 2. Do you like pink? No, I like pink.
( ) 3. These are grapes.
( ) 4. I like playing with my doll.
( ) 5. I draw a picture with my book.
以下不属于放射性操作的工作人员放射性防护方法的是:
A.时间防护
B.药剂防护
C.屏蔽防护
D.距离防护