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1·The telephone system has broken down.

电话系统瘫痪了。《牛津词典》

2·It seems we haven't seen the right quantity of manuals to support the telephone system.

我们似乎没有看到数量正确的支持电话系统运行的说明书。

3·A telephone and a telephone system.

电话机和电话系统。

4·Will the telephone system be suitable?

电话系统适当吗？

5·Billy: Maybe it's a new telephone system?

比利：可能是一个新的电话系统？

6·The young man devised a new telephone system.

那个年青人设计了一套新的电话系统。

7·We had a new telephone system installed last week.

上周我们安装了一套新的电话系统。

8·I'm trying to get the hang of the new telephone system.

我正在练习掌握新型的电话机的用法。

9·In America the telephone system is run by private corporations.

美国的电话网络由私人电话公司经营。

10·This system is very adaptable and can be programmed for a telephone system.

这一系统兼容性很强，可以编入电话系统。