单词：extension service
extension service的用法和样例：
例句
- The Extension Service at Oregon State University, for example, has a new publication for small farms.举例来说，俄勒冈州大学的推广服务，有一本有关小型农业的新的刊物。
- Efforts to strengthen the technical support and extension services should include an intensive train-the-trainers program.加强技术支持和推广服务的努力应该包括一个强化培训员培训的项目。
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中文 英文 缩写 分发表 Distribution List DL 分发接口 distribution interface 分发型业务 distribution service 分割振铃 split ringing 分机 extended station/extension 分机号 exte
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