 |
| |||
| looking-glass | |||
| sight glass; window | |||
| porthole; viewing port | |||
| peep hole | |||
| glass wall | |||
| inspection window; observation panel; sight window; vision light | |||
| viewing window | |||
| observation window | |||
| glass | |||
| sight port; sight glass window | |||
| sight flow glass | |||
| sight class; optical viewer; prism window | |||
| |||
| glass; window | |||
| |||
| inspection window | |||
| |||
| inspection port | |||
| |||
| viewing window | |||
| |||
| sighting port | |||
|
观 察窗 : 34 短语, 13 学科 |
| 冶金 | 2 |
| 冷藏 | 2 |
| 化学 | 1 |
| 技术 | 8 |
| 汽车 | 3 |
| 潜艇 | 1 |
| 电子产品 | 2 |
| 石油/石油 | 3 |
| 空间 | 2 |
| 航空 | 4 |
| 钻孔 | 1 |
| 铁路术语 | 2 |
| 风能 | 3 |