The nineteenth century witnessed a revolution in ship design and propulsion.
19世纪经历了船舶设计和推进上的一次重大变革。
Double electrical podded propulsion is the focus in ship electrical propulsion research field recently.
双吊舱电力推进是目前船舶推进系统研究开发领域引人瞩目的焦点。
A naval ship electric propulsion unit is a complex ship-machine-electricity system.
舰船电力推进是一个复杂的船—机—电系统。
A naval ship electric propulsion unit is a complex ship-machine-electricity system.
舰船电力推进是一个复杂的船—机—电系统。
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