报表设计器不具备的功能是（）
A、数据源管理
B、模板创建
C、参数管理
D、公式管理
参考答案：B
Under what circumstances would Bob replace him
A．If he fell at that time.
B．If he failed the exam.
C．If he didn’t come in time.
D．If he asked in time.
检修隔膜柱塞泵时隔膜和隔膜限制板不的有哪些缺陷？
