电极压放装置 electrode slipping device

无电压释放装置 no-voltage release

压力释放装置 pressure-relief device ; Performance test code

欠电压释放保护装置 low voltage protection

超压释放装置 overpressure relief device over-pressure relief device

压力泄放装置 pressure relief device ; Pressure release device

减压释放装置 pressure reducing and discharging unit

避雷器压力释放装置 pressure-relief device of arrester

涡轮增压器排放装置 turbocharger drain

静水压力释放装置 Hydrostatic release units