电信用打字机

例句：

1. 1. The old typewriter was still in good condition.
   那台旧打字机仍然状况良好。
2. 2. She used a typewriter to write her book.
   她用打字机写她的书。
3. 3. The typewriter is an essential tool for typing.
   打字机是打字必不可少的工具。