The teacher used the intercom to announce the end of recess.
老师通过对讲机宣布休息时间结束。
Please press the intercom button if you need assistance.
如需帮助，请按下对讲机按钮。
The hotel staff communicates with guests through an intercom system.
酒店员工通过对讲系统与客人沟通。
The pilot used the intercom to communicate with the cabin crew.
机长使用对讲机与机组人员通信。
The security guard checked our IDs through the intercom before granting access.
安保人员在通过对讲机检查我们的身份证件后才允许我们进入。
We have an intercom in every classroom for emergency announcements.
我们每个教室都有一个对讲机用于紧急通知。
The repairman used the intercom to ask me to open the garage door.
维修工人通过对讲机让我打开车库门。
The train conductor made an announcement over the intercom about the next station.
列车乘务员通过对讲机宣布下一站的信息。
In the event of a fire, use the intercom to call for help.
如遇火灾，使用对讲机呼救。
The receptionist answered the intercom and connected me to the manager's office.
接待员接听了对讲机，并将我转接到经理的办公室。
During Beijing 2022 Paralympic Games, QuantumCTek also worked in partnership with China Telecom to offer quantum encryption-powered intercom technologies to help ensure communication security.
在北京2022年残奥会期间，QuantumCTek还与中国电信合作，提供量子加密对讲机技术，以确保通信安全。
Through the integration of quantum encryption, private network communication, public network intercoms and other technologies, China Telecom built a quantum encryption platform to support communication and ensure video, alarm and emergency responses worked at the Paralympics.
通过量子加密、专网通信、公网对讲机等技术的融合，中国电信构建了一个量子加密平台，支持通信，确保残奥会视频、警报和应急响应工作。
There are also more emergency intercoms for passengers, wider door openings, LED lighting, automatic passenger-counters and closed-circuit surveillance cameras.
In March, a new metro line with driverless trains, equipped with intercoms, emergency alerts, smoke detectors and emergency brakes, was tested in the city.