Many ships had speaking tubes from the bridge to the engine room.许多轮船的驾驶台和轮机房之间装有通话管。Wind turbines generate electricity for the local community.风轮机为当地社区发电。The most junior executive officer outranked the senior engineer officer aboard ship.在舰船上，级别最低的副舰长也位列级别最高的轮机官之上。