... homegrown pneumatic switch 国产 electric pneumatic switch 电动气力开关 pneumatic operat-ed switch 气力操作开关 ...
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A new pneumatic switch was developed in order to meet the requirements of special electric test for simulated oil-impregnated paper insulation system.
为满足油纸绝缘模拟结构的特殊电气性能试验的要求 ，研制了新颖的气动开关。
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