Studies of reliability indicators of pumping units of machine irrigation on the example of the “Namangan” pumping stationOlimjon Toirov, Salikhdjan Khalikov, Sodikjon Khalikov and Fozil SharopovE3S Web of Conf., 410 (2023) 05015DOI: https://doi.org/10.1051/e3sconf/202341005015