A keg bobbed up astern.
一只小圆桶突然在船尾出现。
crash stop astern test.
紧急倒车试验
Engine dead slow astern!
车徽速后退!
Man overboard on astern.
船尾有人落水。
Port engine full astern!
左车退三!
Port engine half astern!
左车退二!
Port engine slow astern!
左车退一!
Both engines full astern!
双车退三!
Both engines half astern!
双车退二!
Both engines slow astern!
双车退一!
astern maneuvering valve.
倒车换向阀
emergency astern program.
紧急倒车程序
full astern starboardprot
右左车全速后退
Engine double full astern!
车再退三!
The ship went hard astern.
轮船猛烈向后退。
long term astern condition
长期倒车工况
navigation astern program.
倒车航行程序
My engines are going astern.
我的机器正在开倒车。
astern exhaust chest sprayer
倒车排气室喷雾器
Starboard engine full astern!
右车退三!
Starboard engine half astern!
右车退二!
Starboard engine slow astern!
右车退一!
Vessel astern of you anchoring.
在你船后面的船正在抛锚。
astern selecting pilot air valve.
倒车选择控制空气阀
Turning by ahead and astern engine
进倒车掉头
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