| English | eng-000 |
| straight gear | |
| 普通话 | cmn-000 | 正齿轮 |
| 普通话 | cmn-000 | 直齿轮 |
| 普通话 | cmn-000 | 直齿齿轮 |
| English | eng-000 | plain gear |
| English | eng-000 | spur gear |
| English | eng-000 | spur-gear |
| English | eng-000 | spurgear |
| English | eng-000 | straight tooth gear |
| English | eng-000 | straight-cut gear |
| English | eng-000 | straight-toothgear |