Гидравлические насосы для крупной горнодобывающей техники брендов Komatsu Hitachi и Caterpillar: принцип работы и особенности03.01.2026
Thanks to the use of the natural features of the Earth, the geothermal heat pump can heat or cool the house. The first use of geothermal energy in the form of geothermal pumps was started in 1940.