 |
| |||
| 硬玻璃 | |||
| 火石无色，燧石玻璃 | |||
| 氧化铅玻璃; 硬性光学玻璃 | |||
| 无色玻璃 | |||
| 软性光学玻璃 | |||
| 燧石玻璃 | |||
| 火石玻璃; 含铅玻璃; 铅玻璃; 无声玻璃 | |||
| flint glass: 38 phrases in 5 subjects |
| Architecture | 2 |
| Construction | 2 |
| Shipbuilding | 4 |
| Technology | 29 |
| Telecommunications | 1 |
|
| |||
| 硬玻璃 | |||
| 火石无色，燧石玻璃 | |||
| 氧化铅玻璃; 硬性光学玻璃 | |||
| 无色玻璃 | |||
| 软性光学玻璃 | |||
| 燧石玻璃 | |||
| 火石玻璃; 含铅玻璃; 铅玻璃; 无声玻璃 | |||
| flint glass: 38 phrases in 5 subjects |
| Architecture | 2 |
| Construction | 2 |
| Shipbuilding | 4 |
| Technology | 29 |
| Telecommunications | 1 |