题目内容
(请给出正确答案)
[多选题]
Which of the following are characteristics of a service purchase order? There are 3 correct answers to this question.()
A.A limit value for unplanned services can be specified
B.Service specifications are required
C.A service master number is required
D.An account assignment is mandatory
E.The item category is D (service).
答案
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