合作维修工程师去机房现场时,应精良要求()陪同或提供协助。
A、建设部主管
B、办公室主任
C、用户维护责任人
D、分管副经理
参考答案:C
The hours when the children spend in their one-way relationship with television people, undoubtedly affect their relationships with real-life people.
注射部位消毒范围正确的是()
A、直径5厘米
B、直径2.5厘米
C、直径3厘米
D、半径5厘米