This paper also design a speaker circuit to let more people can listen.
本文还设计了音箱电路，以便导游器可以群体收听。
The speaker has a case, a magnetic circuit, a diaphragm, and a passage.
扬声器具有壳体、磁路、振动膜和通道。
The invention relates to a thin type speaker magnetic circuit.
本发明涉及一种薄型扬声器磁路。
The invention relates to a thin type speaker magnetic circuit.
本发明涉及一种薄型扬声器磁路。
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