track etch
| method
| track etch | |
| oil | 径迹蚀刻 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 径迹蚀刻 | |||
|
track etch : 7 phrases in 5 subjects |
| Chemistry | 3 |
| Earth sciences | 1 |
| Electronics | 1 |
| Metallurgy | 1 |
| Nuclear physics | 1 |