Did you mean: pinyin pibian pimian pinyou pimin pinhan pinhun pini ?
| 齿轮 | chǐ lún | (machine) gear / pinion (gear wheel) |
| 齿条 | chǐ tiáo | rack (and pinion) |
| 鸟羽 | niǎo yǔ | pinion |
| 锥齿轮 | zhuī chǐ lún | pinion gear |
| 齿轮齿条 | chǐ lún - chǐ tiáo | (mechanical engineering) rack and pinion |
| 齿条千斤顶 | chǐ tiáo qiān jīn dǐng | rack and pinion jack |