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shutoff switch /ˈʃʌtɒf ˈswɪtʃ/ n

中文：关闭开关

中文 · 关闭开关Español · interruptor de arranque automáticoFrançais · contacteur
Meaning：Mechanism allowing the pump motor to be activated when the float reaches a preset level.
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Pedestal sump pump

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