при работе | |
Math. | when operated at; if operating at; on duty |
Produkt. | while working; while running; when working; when ... is/are operated; when ... is/are running |
Ду | |
Tech. | nominal diameter; DN |
В-режим | |
Med. | two-dimensional echocardiography |
ТРД | |
Tech. | turbojet engine |