security and emergency alarm systems
安全知识与紧急警报系统 security and emergency alarm systems 电脑知识与技术(经验技巧) computer knowledge and technology ..
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security and emergency alarm systems
安全和紧急报警系统
以上为机器翻译结果,长、整句建议使用 人工翻译 。
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They're widely used in UPS systems, electronic instruments, emergency lighting, fire alarm and security, electromotive tools and toys, telecommunication system, etc.
广泛应用于UPS电源、电子仪器、应用照明系统、安全报警系统、电动工具及玩具、电会传系统、通讯设备领域。
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