actuating relay meaning in English

动作继电器

Power transformers and reactor fittings - gas and oil actuated relay for liquid immersed transformers and reactors with conservator
电力变压器和反应堆配件.液浸变压器和有存油器的反应堆用气体和油驱动的继电器
Power transformer and reactor fittings - part 2 : gas and oil actuated relay for liquid immersed transformers and reactors with conservator
功率变压器和电抗器配件.第2部分:带存油箱的液浸式变压器和电抗器用气动和油动继电器
Power transformer and reactor fittings - part 2 : gas and oil actuated relay for liquid immersed transformers and reactors with conservator ; german version en 50216 - 2 : 2002
电力变压器和电抗器配件.第2部分:带油枕的液体浸没式
Power transformer and reactor fittings - part 2 : gas and oil actuated relay for liquid immersed transformers and reactors with conservator ; amendment a1 ; german version en 50216 - 2 : 2002 a1 : 2002
电力变压器和电抗器配件.第2部分:带储油箱的液浸变压