Russian ⇄ Chinese English Spanish Ukrainian

безаварийный полёт stresses
avia.	flawless flight
avia., med.	mishap-free flying
med.	accident-free flying
prof.jarg.	smooth flight
tech.	accident-free flight
безаварийные полёты
avia.	flawless performance

безаварийный полёт: 1 phrase in 1 subject

Technology

1