AD426/506机器设计感光鼓在一定时间上进行反转是为了清洁鼓表面的碳粉。
参考答案:对
----I’m sure Andrew will win the first prize in the final.
----I think so. He ______for it for months.
A. is preparing B. was preparing
C. had been preparing D. has been preparing
法人理财产品从发行范围划分,主要由()两种组成.
A.总行理财产品
B.区域理财产品
C.信托理财产品
D.债券理财产品