Thepetrol engine is optimally sized to provide the cruise power at its most efficient operating point, resulting in an improved fuel efficiency overall.
航空煤油发动机的尺寸经过优化设计，已经能够在发动机的最有效的操作点上提供巡航动力，进而从总体上提高燃料效率。
The best efficiency now is 20 and the normal cruise is about 63 MPH at 80% power with a 25hp engine.
最好的效率，现在是20日和正常的邮轮是关于63英里每小时在80 %的权力与25hp发动机。
"Silandra" was originally designed to meet with the requirements of a world cruise, consequently all the controls on board have been duplicated so as to enhance efficiency and safety.
Silandra“原本是根据一项周游世界航行的需求而设计的，后来为了加强高效性和安全性，船上所有控制设施都再次设计成双。”
"Silandra" was originally designed to meet with the requirements of a world cruise, consequently all the controls on board have been duplicated so as to enhance efficiency and safety.
Silandra“原本是根据一项周游世界航行的需求而设计的，后来为了加强高效性和安全性，船上所有控制设施都再次设计成双。”
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