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| 外来电流一切与专用起爆电流无关意外进人电爆网路〈电雷管〉的电流统称为外来电流。除起爆电流以外的电能，它对使用电雷管的爆破构成威胁，其中包括杂散电流、静电、雷电、射频电、电感电荷电容电 | |||
| 外来电流 | |||
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