你还可以用电磁石，发电机和变压器！
You can also play with electromagnets, generators and transformers!
这些装置常被用于保护发电机或变压器的线圈。
These devices are typically used to protect windings in generators or transformers.
厂内配电系统由主发电机，主变压器，厂用变压器，柴油发电机和相关的配电设备组成。
The onsite electric power system consists of the main generator, the unit station transformers, the common station service transformer, the diesel generators and the electric distribution system.
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