• 1. Dual control switch: 双控开关
• 2. dual pressure control switch: 高压控制开关 | 高低压控制开关
• 3. dual pre ure control switch: 高压控制开关

• 1.Similarly, the bedroom lighting should be installed in the bedroom door and bedside dual control switch.
  同理，卧室照明灯应在卧室进门和床头安装双控开关。
  dict.yoduao.com
• 2.Intelligent dual power supply controller takes P87C591 single chip machines as the core, which is the core test and control component of dual power supply switching switch.
  智能双电源控制器以P 87c591单片机为核心，是双电源切换开关的核心检测及控制部件。
  dict.yoduao.com

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