при работе | |
生产 | while working; while running; when working; when ... is/are operated; when ... is/are running |
数学 | when operated at; if operating at; on duty |
Ду | |
技术 | nominal diameter; DN |
В-режим | |
医疗的 | two-dimensional echocardiography |
ТРД | |
技术 | turbojet engine |