经理立刻打电话报警，警察派了四辆巡逻车来。
The manager immediately called the police, who promptly dispatched four cruisers.
本文就是学习如何对一个小区的煤气泄漏进行监控，并设计了一个监控四个单元的煤气报警系统。
This text studies how to let out and control the coal gas of a district, and has designed a coal gas warning system of controlling.
另外，可以接收数据日志，报警，并简要汇报了四个不同的电子邮件地址作为附件的电子邮件，在用户定义时间时期。
In addition, you can receive data log, alarms, and summary reports at up to four different email addresses as an attachment to an email at user defined time periods.
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