判断题 DOES HELMSMAN UNDERSTAND ENGLISH？的中文意思是：舵工懂英语吗？

判断题 “主机从前进改变为倒退需要多长时间？”的英文翻译是HOW LONG DOES IT TAKE TO CHANGE ENGINE FROM ASTERN TO AHEAD ？

判断题 THE MASTER WHEN CALL TO THE BRIDGE AND TAKING OVER THE CONN FROM THE OFFICER OF THE WATCH ，SHOULD SAY：YOU NOW HAVE THE CONN。