The man retrieved the floating oar by leaning out along the bow of the boat.
那个人朝船头方向探出身子伸手把飘在水面的船桨取回.
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During the event , a prize of a " golden oar " was awarded to the boatwomen.
本次船会上, 还向船娘们授予了一把 “ 金船桨 ”.
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Multiple protections from independent pitch system and mechanical brakes.
由独立变桨距系统和机械刹车构成的多重保护.
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因此,在推进系统方面,人们把目光投向了比传统的螺旋桨推进更具优势的仿生推进系统.
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The outer wings , tail and propellor have been removed from the aircraft.
这架飞机的外翼 、 机尾和螺旋桨已经被拆除了.
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实验模型有二两拉力螺旋桨, 全翼展双缝襟翼偏转45, 并有高置的水平尾翼.
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风洞的螺旋桨和风扇马达坐落在出口锥, 在施工期间出现在这里.
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