配有手动和电动机操作机构，便于实现电力系统的三遥控要求。
With manual and electric motor operating mechanism to facilitate the achievement of three remote power system requirements.
配有手动和电动机操作机构，便于实现电力系统的三遥控要求。
With manual and electric motor operating mechanism to facilitate the achievement of three remote power system requirements.
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