telegraph key怎么读

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1. "telegraph"怎么读
2. "telegraph receiver"怎么读
3. "telegraph repeater"怎么读
4. "telegraph register"怎么读
5. "telegraph code"怎么读
6. "telegraph printer"怎么读
7. "telegraph stamp"怎么读
8. "grapevine telegraph"怎么读
9. "facsimile telegraph"怎么读
10. "telegraph transmitter"怎么读
11. "telegraph herald"怎么读
12. "telegraph interference"怎么读
13. "telegraph leg"怎么读
14. "telegraph lever"怎么读