| |||
| 无触点开关 | |||
| 静态开关 | |||
|
static switch : 6 phrases in 5 subjects |
| Electric machinery | 1 |
| Hydroelectric power stations | 1 |
| Shipbuilding | 1 |
| Technology | 1 |
| Wind Energy | 2 |
| |||
| 无触点开关 | |||
| 静态开关 | |||
|
static switch : 6 phrases in 5 subjects |
| Electric machinery | 1 |
| Hydroelectric power stations | 1 |
| Shipbuilding | 1 |
| Technology | 1 |
| Wind Energy | 2 |