manual telephone set

例句：

1. 1. This manualtelephone set is very easy to use.
   这个手动电话机使用起来非常方便。
2. 2.The manual typewriter was the only way we could communicate with each other during the war.
   在战争期间，手动打字机是我们唯一能够互相沟通的方式。
3. 3. We used a manual radio to stay in touch with our friends during the long flight.
   我们在长途飞行中用手动收音机与朋友们保持联系。