Did you mean: zhengyou zhongyu zhangyou zhong-ou zhonghou zhongou zongyou zhongshu ?
| 重油 | zhòng yóu | (petrochemistry) heavy oil / fuel oil |
| 中油 | Zhōng yóu | CPC Corporation, a state-owned petroleum company in Taiwan (abbr. for 台灣中油|台湾中油[Tai2wan1 Zhong1you2]) |
| 中游 | zhōng yóu | the middle stretches of a river / middle level / middle echelon / midstream |