 |
| |||
| tunnel m (地下通道，特别是为火车或汽车穿过山，河流或拥挤的市区而设的。) | |||
| 隧道: 11 phrases in 8 subjects |
| Computer networks | 2 |
| Electric machinery | 1 |
| Piezoelectric crystals | 1 |
| Semiconductors | 2 |
| Superconductivity | 1 |
| Technology | 2 |
| Thermal Energy | 1 |
| Transport | 1 |
|
| |||
| tunnel m (地下通道，特别是为火车或汽车穿过山，河流或拥挤的市区而设的。) | |||
| 隧道: 11 phrases in 8 subjects |
| Computer networks | 2 |
| Electric machinery | 1 |
| Piezoelectric crystals | 1 |
| Semiconductors | 2 |
| Superconductivity | 1 |
| Technology | 2 |
| Thermal Energy | 1 |
| Transport | 1 |