2 sentences for 转 (zhuàn — revolution)

1. 这台电风扇每分钟一千转。

   zhè tái diàn​fēng​shàn měi fēn​zhōng yī​qiān zhuàn.

   This electric fan rotates at a thousand revolutions per minute.

   Source: Dong Chinese Dictionary

2. 发动机的转速已经达到了每分钟三千转。

   fā​dòng​jī de zhuàn​sù yǐ​jīng dá​dào le měi fēn​zhōng sān​qiān zhuàn.

   The engine speed has reached 3,000 RPM.

   Source: Dong Chinese Dictionary