()绕包头的转速最高。
A.普通式
B.平面式
C.半切线式
D.同心式
参考答案:D
Not until __________ on TV __________ that the Chinese ship was rescued by the European Union Task Force.
A.did I turn; did I know
B.did I turn; I knew
C.I turned; did I know
D.I turned; I had known
印刷包装材料应当设置专门的区域妥善存放,()不得进入。切割式标签或其他散装印刷包装材料应当分别置于()内储运,以防混淆。