题目内容：
利用报警系统和门禁系统的设备，可以实现（ ）巡更。
A．无线式 B．划线式
C．离线式
D．在线式
参考答案：
答案解析：
单选题：利用报警系统和门禁系统的设备，可以实现（ ）巡更。
- 题目分类：机电工程管理与实务
- 题目类型：单选题
- 查看权限：VIP
B．划线式
C．离线式
D．在线式
B．划线式
C．离线式
D．在线式
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