发布时间:2025-01-20 00:09:30
直径为0.78毫米。0.78插针是指耳机插头的直径为0.78毫米,这种插头一般用于一些高档的耳机或音频设备中。它是一种非常小巧的插头,因为其直径非常小,所以可以方便地插入耳机插孔中,同时也能够保证音频信号的传输质量。
北京市建设工程质量检测中心第三检测所房屋建筑检测研究中心检测范围
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