 |
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| flat | |||
| 玻璃压板: 30 phrases in 9 subjects |
| Automobiles | 1 |
| Chemistry | 3 |
| Electric machinery | 4 |
| General | 1 |
| Plastics | 4 |
| Polymers | 5 |
| Space | 1 |
| Technology | 10 |
| Wind Energy | 1 |
|
| |||
| flat | |||
| 玻璃压板: 30 phrases in 9 subjects |
| Automobiles | 1 |
| Chemistry | 3 |
| Electric machinery | 4 |
| General | 1 |
| Plastics | 4 |
| Polymers | 5 |
| Space | 1 |
| Technology | 10 |
| Wind Energy | 1 |