帆船拖动由水下翼状式叶片组成的二个水力发电机，叶片摆动是借助水流过的冲力。

The ships would tow hydropower generators consisting of two wing-like underwater blades that would be made to oscillate by the force of the water as they plough through it.

youdao

帆船拖动由水下翼状式叶片组成的二个水力发电机，叶片摆动是借助水流过的冲力。

The ships would tow hydropower generators consisting of two wing-like underwater blades that would be made to oscillate by the force of the water as they plough through it.

youdao