English translation for "电声和电话系统"

electric acoustic and telephone system

Similar Words：

"电声法" English translation, "电声放大" English translation, "电声工程" English translation, "电声工业公司" English translation, "电声公司" English translation, "电声和影院设备有限公司" English translation, "电声合成乐器" English translation, "电声互易定理" English translation, "电声互易理论" English translation, "电声互易原理" English translation