telephone switchboard是什么意思 telephone switchboard怎么读
telephone switchboard的相关资料
telephone switchboard的用法和样例
- The technicians are coming to fix the telephone switchboard.
技师们马上就来修理电话交换机。 - Our nervous system can be likened to a telephone exchange.
我们的神经系统好比一部电话交换机。
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