 |
| |||
| engineering plastics | |||
| |||
| engineering plastic | |||
| structural plastic | |||
| constructional plastic | |||
|
конструкционные пластики : 3 短语, 3 学科 |
| 建造 | 1 |
| 技术 | 1 |
| 林业 | 1 |
|
| |||
| engineering plastics | |||
| |||
| engineering plastic | |||
| structural plastic | |||
| constructional plastic | |||
|
конструкционные пластики : 3 短语, 3 学科 |
| 建造 | 1 |
| 技术 | 1 |
| 林业 | 1 |