English translation for "辅助交换级"

partial switching stage

Similar Words：

"辅助建筑" English translation, "辅助建筑设备" English translation, "辅助建筑设施" English translation, "辅助建筑物" English translation, "辅助降落装具" English translation, "辅助交换台" English translation, "辅助交流发电机" English translation, "辅助交配" English translation, "辅助交通工具" English translation, "辅助交通设备" English translation