| 释义 |
pttsBNC⁷⁹⁰⁷⁶⁺¹¹
基本例句
Private Telegraph and Telephone Service 专用电报电话业务
The digital service offered the PTTs and other public communication carriers three very appealing characteristics: enhanced quality, economy, and flexibility.
答案：数字业务给 PTT和其他公共通信载体提供了三个非常诱人的特征：高质量、经济性和灵活性。 etest8
Methods: Retrospective analysis of the application of fiber bronchoscope in68 cases of PTTs.
方法：回顾性分析在68例原发性气管肿瘤诊治中纤维支气管镜的应用。 chemyq
Objective:To evaluate the effect of fiber bronchoscope on the diagnosis and treatment of primary tracheal tumors PTTs.
目的：探讨纤维支气管镜在原发性气管肿瘤诊断及治疗中的作用。 chemyq |