digital motor protection relay
digital motor protection relay
数字式电动机保护继电器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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With computerized protection having become a major form in power system relay protection, a digital protective device in motor has been developed and used.
随着微机保护成为电力系统继电保护的主流形式，数字式电动机保护装置也被研制和应用。
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