 |
| |||
| 挖土机; 挖掘机; 开挖机械 | |||
| 履带式挖土机; 开挖机 (械); 挖泥机 | |||
| excavating machine: 7 phrases in 4 subjects |
| Hydroelectric power stations | 2 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Technology | 3 |
|
| |||
| 挖土机; 挖掘机; 开挖机械 | |||
| 履带式挖土机; 开挖机 (械); 挖泥机 | |||
| excavating machine: 7 phrases in 4 subjects |
| Hydroelectric power stations | 2 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Technology | 3 |