English translation for "manual telephone office"

人工电话所

Similar Words：

"manual supervisroy control" English translation, "manual switch group" English translation, "manual synchornization" English translation, "manual tabulation" English translation, "manual telegraph set" English translation, "manual time" English translation, "manual titration" English translation, "manual toll switching board" English translation, "manual touch-up" English translation, "manual tracking digitiser" English translation