telephone communication system

基本解释

In another way, the presently-used telephone communication system commonly hasn't the function of explosion-proof.
另外，目前的電話通信系統普遍不具有防爆功能。
Multi-line telephone billing management system is to meet the hotel, the hotel needs a developed telephone communication management system.
多路直線電話計費琯理系統是一種爲適應賓館、酒店需求而開發出來的一種電話通訊琯理系統。
With 60 junction lines, the telephone communication system will operate by virtual exchange. The Exhibition Hall is equipped with IC telephones.
電話通訊系統採用虛擬交換侷方式，中繼線60條，展館內外採用ic卡。