Просмотр собрания по группе - Ключевые слова
- university 2
- unloading auger 2
- unmanned aerial vehicle 4
- unmanned aerial vehicles 2
- unmanned tractor 1
- UofPO BCU 1
- ural areas 1
- urban environment 1
- urban pollution 1
- urban population 3
- urbanization 4
- use of land resources 1
- used car tires 1
- useful economic life 1
- using digital technologies 1
- vacancy 1
- vacuum 5
- vacuum metering device 1
- vacuum pressure 2
- vacuum pump 1