And this is definitely the case of our speaker today.

而我们今天的演讲者也是如此。

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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。

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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。

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