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looking-glass | |||
sight class; optical viewer; prism window | |||
observation window | |||
peep hole | |||
glass wall | |||
sight glass; window | |||
glass | |||
sight flow glass | |||
porthole; viewing port | |||
inspection window; observation panel; sight window; vision light | |||
sight port; sight glass window | |||
viewing window | |||
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glass; window | |||
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inspection window | |||
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inspection port | |||
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sighting port | |||
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viewing window |
观 察窗 : 34 phrases, 13 sujets |
Automobiles | 3 |
Aviation | 4 |
Chimie | 1 |
Électronique | 2 |
Espace | 2 |
Forage | 1 |
L'l'én. | 3 |
Métallurgie | 2 |
Pétrole / pétrole | 3 |
Réfrigération | 2 |
Sous-marins | 1 |
Technologie | 8 |
Transport ferroviaire | 2 |