| 词汇 | 绝对词频 | 互信息值 |
| Electrochemical machining | 116 | 0.7243 |
| machining process | 61 | 0.5635 |
| metal workpiece | 78 | 0.6237 |
| process engineering remove | 0 | 0 |
| Electrochemical machining process engineering | 2 | 0.1718 |