... decelerated motion 减速运动 decelerating duct 减速导管 decelerating ducted propeller 减速导管推进器 ...
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短语
水流减速导管
flow-decelerating nozzle
减速导管推进器
decelerating ducted propeller
减速导流管
decelerating nozzle
减速型导管螺旋桨
decelerating ducted propeller
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