许多矩阵切换系统采用了三极保护继电器和配线。
Many matrix switching systems use three-pole guarded relays and wiring.
介绍了在袋式除尘器电控系统的设计中，利用继电器构成矩阵电路的设计和实现方法。
The design and realizing method is introduced using matrix electric circuit which consists of relays in the electric control system of bag type dust collector.
介绍了在袋式除尘器电控系统的设计中，利用继电器构成矩阵电路的设计和实现方法。
The design and realizing method is introduced using matrix electric circuit which consists of relays in the electric control system of bag type dust collector.
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