The dipole method, which utilizes high-voltage direct current, is a simple, low-cost, and highly workable method to fully detect the liner without destruction.
偶极子法属于高压直流电法的一种，具有操作简便、费用低廉，可操作性强，并能对防渗层进行百分之百的无损检测，已成为防渗层施工验收采用的主要方式。
Fire accident can arise from low-voltage arc fault, and so it is necessary to detect arc fault.
低压故障电弧有引发火灾的危险，所以检测故障 电弧是必要的。
Fire accident can arise from low-voltage arc fault, and so it is necessary to detect arc fault.
低压故障电弧有引发火灾的危险，所以检测故障 电弧是必要的。
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