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.
其次,针对摆动活塞式发动机的总体结构进行设计。
Next, in view of swings the piston engine overall structure to carry on the design.
实践证明,摆动式浮石机合乎分选的要求,且达到了很高的分选效率。
By the practice testify, the machine accord with request of dispart and select.
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