English translation for "键选电话系统"

[讯] key telephone system

Similar Words：

"键形开关" English translation, "键形套筒扳手" English translation, "键形砖" English translation, "键行程" English translation, "键序" English translation, "键一地址变换" English translation, "键一郎" English translation, "键音" English translation, "键映环异构现象" English translation, "键映射" English translation