| |||
| 道岔标志灯 | |||
|
switch lamp : 35 phrases in 5 subjects |
| Automobiles | 20 |
| Electronics | 5 |
| Lighting other than cinema | 1 |
| Oil / petroleum | 1 |
| Technology | 8 |
| |||
| 道岔标志灯 | |||
|
switch lamp : 35 phrases in 5 subjects |
| Automobiles | 20 |
| Electronics | 5 |
| Lighting other than cinema | 1 |
| Oil / petroleum | 1 |
| Technology | 8 |