English translation for "direct current keying"

直流拨号, 直流键控

Similar Words：

"direct current integrating meter" English translation, "direct current interruption" English translation, "direct current iontherapy" English translation, "direct current iontophoresis" English translation, "direct current key pulsing" English translation, "direct current level" English translation, "direct current line" English translation, "direct current linear induction motor" English translation, "direct current load" English translation, "direct current locomotive" English translation