English translation for "直接交换交换局"

dse direct switching exchange

Similar Words：

"直接胶乳包复法" English translation, "直接交叉" English translation, "直接交叉配合试验" English translation, "直接交付法" English translation, "直接交换" English translation, "直接交换扩散" English translation, "直接交换设备" English translation, "直接交换系统" English translation, "直接交换线路" English translation, "直接交换相互酌" English translation