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词汇
main distributing frameMDF
释义
main distributing frameMDF
一部分成为中央办公大楼的永久外线的端点,另一部分接用户电缆的一种配线盘。用户电缆可以连接任何终端或其它外线。它通常具有对中央办公室进行保护的装置及线路与办公室之间的测试点的功能。在专用交换机构中,主配线架具有类似的用途。
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更新时间：2025/7/27 17:05:20