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d.innerHTML = d.innerHTML + '<a class=\"download_word download_word_lb\" href=\"javascript:;\" id=\"vipdown\" onclick=\"showpay(1)\"><em></em>下载文档(未登录)如何挑选音箱方法描述：作为音响发烧友，我们在选购音响的时候应该怎样挑选呢?那挑选音箱方法究竟有哪些呢？这里给大家分享一些关于如何挑选音箱方法，希望对大家能有所帮助。超重低音音箱的鉴别超重低音音箱的好坏直接决定了音箱的频率响应范围以及低音效果的优劣。从扬声器的纸盆</a>';
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