他们很快就开船了，由汤姆掌舵，哈克划后桨，乔划前桨。
They shoved off, presently, Tom in command, Huck at the after oar and Joe at the forward.
前桨手：在船头摇橹、划桨或荡桨的人。
美国西科斯基公司的X2拥有一部安装在后方的推进螺旋桨，这使它获得高速的前飞速度。
The Sikorsky X2 has a pusher propeller mounted at the rear to obtain its high forward speed.
旋翼桨盘处的诱导速度分布采用自前向后直线增大的形式。
The distribution of induced velocity at the rotor is assumed linearly variable over the disk.
旋翼桨盘处的诱导速度分布采用自前向后直线增大的形式。
The distribution of induced velocity at the rotor is assumed linearly variable over the disk.
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