A float operated switch in the relay is used to initiate an alarm signal.

继电器内的浮控开关发动报警信号。

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The flyback converter running in discontinuous conduction mode can be operated in hard switching or quasi resonant (or valley switching, or ZVS) mode regarding the primary side switch.

电感电流断续工作的反激式变换器一次侧开关可工作于硬开关或准谐振(或谷值开关或零电压开关)模式。

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A study of the rod type manual operated vacuum switch (RMVS) is introduced.

介绍了杆式手操作真空负荷开关的研究。

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Already El Paso owns the second-largest fiber network in Houston, with connections to every central office switch operated by regional phone giant SBC Communications.

FORBES: Switch Hitter