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time switch

noun
🔊/ˈtaɪm swɪtʃ/
🔊/ˈtaɪm swɪtʃ/
(also timer switch
🔊/ˈtaɪmə swɪtʃ/
🔊/ˈtaɪmər swɪtʃ/
)
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  1. a switch that can be set to start and stop a machine, etc. working at a particular time（自动）计时开关，定时开关
    • The heating is on a time switch.暖气靠定时开关自动供热。🔊🔊
    Topics Engineeringc1