这两类数字信号分别为通断信号和脉冲序列信号。
The two digital signal types are the on-off signal and the pulse train signal.
可控制2路或3路电路的通断。
隔爆型控制开关具有结构紧凑，可靠性好，体积小，通断。
The explosion-separate type control switch with copactstructure, steady property.
机械，电气寿命：10,000使通断满负荷周期，每个电路。
MECHANICAL and ELECTRICAL LIFE: 10,000 make-and-break cycles at full load, each circuit.
电源开关用于控制仪表箱电源的通断和正常停机操作。
Power switch for controlling power supply meter box-off and normal shutdown operation.
电源开关用于控制仪表箱电源的通断和正常停机操作。
Power switch for controlling power supply meter box-off and normal shutdown operation.
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