English translation for "direct call line"

直通电话线路

Similar Words：

"direct cabling machine" English translation, "direct calculation of efficiency" English translation, "direct calibration" English translation, "direct call" English translation, "direct call facility" English translation, "direct call service" English translation, "direct calorimetry" English translation, "direct cannulation" English translation, "direct capacitance" English translation, "direct capacitance coupling" English translation