| |||
| three-square file | |||
| lightning file | |||
| three square file; three-corner file; triangular file | |||
|
lima triangular : 9 短语, 4 学科 |
| 工具 | 1 |
| 技术 | 3 |
| 机械工程 | 4 |
| 行业 | 1 |
| |||
| three-square file | |||
| lightning file | |||
| three square file; three-corner file; triangular file | |||
|
lima triangular : 9 短语, 4 学科 |
| 工具 | 1 |
| 技术 | 3 |
| 机械工程 | 4 |
| 行业 | 1 |