del direct exchange line 中文意思是什麼
del direct exchange line
解釋
直接交換線路-
New t & t launched its direct exchange line service ( del ) to business customers in october
香港新電訊在十月向商業用戶提供電話線服務。 -
This term is synonymous with the term main station or direct exchange line ( del ) which are commonly used in telecommunication documents
這個術語與通信文獻中常見的主站或直撥交換線( del )是同義的。
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