English translation for "manual telephone exchange system"

人工电话交换制

Related Translations:

manual typewriter:  人工打字机手动打字机

manual tool:  手用工具

manual counts:  人工调查法

manual grading:  手工分级

automatic manual:  自动-手动的

chart manual:  图版集

field manual:  现场手册野外指南野战教范战地参考便览

manual traverse:  手摇方向瞄准手摇旋转

manual rating:  手册费率法

flight manual:  发行手册飞航手册飞行手册

Similar Words：

"manual telegraphy" English translation, "manual telegraphy set" English translation, "manual telephone" English translation, "manual telephone central" English translation, "manual telephone exchange" English translation, "manual telephone exchanging system" English translation, "manual telephone set" English translation, "manual telephone switch board" English translation, "manual telephone switchboard" English translation, "manual telephone system" English translation