Transformer is the key instrument for voltage converting, power transmission and distribution in power system.
在电力系统中，变压器是实现电压变换、电能传输和分配的关键设备。
The key component of intelligent instrument is single chip computer.
智能仪表的核心部件是单片机。
The key component of intelligent instrument is single chip computer.
智能仪表的核心部件是单片机。
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