| |||
| 拨号塞绳电路; 拨号盘电路 | |||
| 话务员座席拨号盘电路 | |||
|
dial : 23 phrases in 7 subjects |
| General | 1 |
| Geotechnics | 2 |
| Mechanics | 2 |
| Microsoft | 5 |
| Public security | 1 |
| Sealing | 3 |
| Textile industry | 9 |
| |||
| 拨号塞绳电路; 拨号盘电路 | |||
| 话务员座席拨号盘电路 | |||
|
dial : 23 phrases in 7 subjects |
| General | 1 |
| Geotechnics | 2 |
| Mechanics | 2 |
| Microsoft | 5 |
| Public security | 1 |
| Sealing | 3 |
| Textile industry | 9 |