 |
| Chinese | English |
| 密封头盔观察窗 | helmet visor |
| 检查/观察窗 | inspection/observation windows |
| 球面观察窗 | blister (机身两侧用于观察或射击的球形窗) |
| 直接观察窗 | direct-vision pane |
| 观察窗 | prism window |
| 观察窗 | optical viewer |
| 观察窗 | sight class |
|
| Chinese | English |
| 密封头盔观察窗 | helmet visor |
| 检查/观察窗 | inspection/observation windows |
| 球面观察窗 | blister (机身两侧用于观察或射击的球形窗) |
| 直接观察窗 | direct-vision pane |
| 观察窗 | prism window |
| 观察窗 | optical viewer |
| 观察窗 | sight class |