Port engine half ahead!

基本解释左车进二!

网络释义

1)Port engine half ahead!,左车进二!2)Half ahead port!,左车前进二左进二3)slow (speed) ahead port,左(车)进一4)Port engine full ahead!,左车进三!5)Port engine slow ahead!,左车进一!6)Port engine half astern!,左车退二!