| 释义 |
frame (type B) | A distributing frame carrying on one side(vertical) all outside lines and protective devices for those lines, and on the other side (horizontal) all connections of the outside lines toward the central office equipment.; 一种配线框架,在垂直面上装有所有外部线路及这些线路的保护装置,在水平面上装有 外部线路指向中心局设备的连接线。参阅frame(type A)。 |
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