English translation for "listening-in line"

监听线；听话线。

Similar Words：

"listening watch" English translation, "listening with the third ear" English translation, "listening zone" English translation, "listening-in" English translation, "listening-in device" English translation, "listening-through" English translation, "listenmaa" English translation, "listens to the sea" English translation, "listenting to my own heart beat" English translation, "lister" English translation