English translation for "manual toll switching board"

长途接续台

Similar Words：

"manual tabulation" English translation, "manual telegraph set" English translation, "manual telephone office" English translation, "manual time" English translation, "manual titration" English translation, "manual touch-up" English translation, "manual tracking digitiser" English translation, "manual transfer device" English translation, "manual transmission fluid" English translation, "manual trip" English translation