后退速度 astern speed ; Reverse Speed

最大后退速度 maximum astern speed

燃面后退速率 burning surface retreat rate

岩壁后退速度 Cliff retreating rates

全速后退 full astern ; crash back ; full speed astern

半速后退 Half astern ; H Ast

微速后退 Dead slow astern ; Deadslowastern ; D.S.Ast

低速后退 ease astern ; Ease her astern

双车全速后退 Full astern both ; full speed astern both