... overlap propellers 叠叶螺旋桨 ; 迭叶螺旋桨 FUEL PROPELLERS 油机浆 EP PROPELLERS 电机浆 ...
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fuel propellers
燃料螺旋桨
以上为机器翻译结果，长、整句建议使用 人工翻译 。
This is a remarkable saving, and although she is a small, specialist vessel, many of her features, particularly the new bow and the more efficient system of propellers, could help reduce fuel consumption and emission levels in larger ships as well.
ECONOMIST: Marine technology: A voyage of discovery | The
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