 |
| |||
| 安全臼; 安全盒; 专门设计的过负载廉价易损件 | |||
| 碎石机 | |||
| breaker block: 6 phrases in 5 subjects |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 2 |
| Plastics | 1 |
| Technology | 1 |
|
| |||
| 安全臼; 安全盒; 专门设计的过负载廉价易损件 | |||
| 碎石机 | |||
| breaker block: 6 phrases in 5 subjects |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 2 |
| Plastics | 1 |
| Technology | 1 |