Войти/Зарегистрироваться R134A 2,47-3,47 $ / шт. Посмотреть \ \ \ \ \ \ Рекомендоватьдлявас Чтотакое IDQ низкаяценаВысокопроиз...
Hosoz et al. [8] compared the performance of a single stage refrigeration system and a cascade refrigeration system, both using R134a as the refrigerant. The cascade system consumed more compressor power overall due to the second compressor in the high-temperature loop. The volumetric efficiency ...