| |||
| 尖端式计数管; 点端式计数管 | |||
|
point-counter : 9 phrases in 6 subjects |
| Chemistry | 1 |
| Economics | 1 |
| Engineering geology | 1 |
| Oil / petroleum | 1 |
| Technology | 3 |
| Telecommunications | 2 |
| |||
| 尖端式计数管; 点端式计数管 | |||
|
point-counter : 9 phrases in 6 subjects |
| Chemistry | 1 |
| Economics | 1 |
| Engineering geology | 1 |
| Oil / petroleum | 1 |
| Technology | 3 |
| Telecommunications | 2 |