该阀采用大行程的压电叠堆作为驱动元件，经杠杆放大后的位移直接驱动功率级滑阀。

The valve is driven directly by a large strake multilayer piezoelectric stack, its displacement actuates the power cascade spool after amplification by a lever mechanism.

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同时，采取短行程阀瓣的设计。

At the same time, take a short trip valve flap design.

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为什么直行程调节阀阀杆较细？

Why straight trip regulating valve stem smaller?

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