| 词汇 | ddi |
| 释义 | ddi /diː diː aɪ/ abbreviation (bre) direct dial inwards a system where an office building, a hotel, etc. can have a large range of telephone numbers sharing one or a small number of direct lines. calls go directly to an extension without being connected by an operator or receptionist . 直接拨入（一种办公电话系统，多个电话号码共享一个或少数直拨线路。电话直接拨入分机而无需由接线员或接待员转接） ➡ did ☞ ddi |
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