高性能的永磁体如钐钴、钕铁硼的问世使得永磁无刷直流电动机的性能大大提高了。
The availability of high performance magnets, like samarium cobalt and neodymium-boron-iron, has made it possible to improve the performance of brushless dc motors significantly.
高性能的永磁体如钐钴、钕铁硼的问世使得永磁无刷直流电动机的性能大大提高了。
The availability of high performance magnets, like samarium cobalt and neodymium-boron-iron, has made it possible to improve the performance of brushless dc motors significantly.
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