本文对具有自动频率跟踪和反馈稳幅功能的电磁振动机械进行了研究。
The electromagnetic vibrational machine which has function of automatic frequency follow-up and stable amplitude was studied.
本文对具有自动频率跟踪和反馈稳幅功能的电磁振动机械进行了研究。
The electromagnetic vibrational machine which has function of automatic frequency follow-up and stable amplitude was studied.
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