Akramjanov Dilmurod Muxtor o’g’li; Boltabayev Bekzod Egamberdiyevich; Khusanov Sadi Makhamatjonovich,; Muradov Rustam Muradovich. On Determining The Conditions For Effective Operation Of The Vacuum Valve Of Cotton Separators. tajet 2020, 2, 77-84.