采用升力面涡格法对系列大毂径MAU型螺旋桨进行敞水性能计算，运用理论算法扩充了MAU型螺旋桨图谱。
The open water characteristics of a series of large hub-diameter Ratio MAU propellers are calculated by using lift-surface method to expand the chart of MAU-series propeller.
在螺旋桨上加装桨毂帽鳍PBCF，是日本近年来开发的一种廉价的节能装置。
The Propeller Boss Cap Fins(PBCF)is a new Japan—developed deviceattachedto theshaftof propeller.
本实用新型是一种螺旋桨，它包括桨毂及桨叶，其特征在于桨叶末端联接有轴向导流片。
The utility model relates to a propeller which comprises a propeller hub and blades and is characterized in that the ends of the blades are connected with axial flow guiding sheets.
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