ship propulsion appliances

• 船舶推进器

ship propulsion appliances的用法和样例：

例句

1. The ship's propeller churned the waves to foam.
   那条船的推进器把水浪搅动得泡沫四起。
2. Rocket motors have many advantages over other forms of propulsion.
   火箭发动机比其他推进器有许多优点。