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1·Load change in the engine intake manifold pressure changes that is when the spool displacement greater, gas output in response to faster.

在发动机负荷变化即进气管压力变化时，阀芯的位移更大，燃气输出量的响应更快。

2·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.

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。

3·Adjusting mechanism is the executive body converts the output of displacement control valve spool and valve seat area change between the flow of the device.

调节机构是将执行机构的输出位移变化转换为控制阀阀芯和阀座间流通面积变化的装置。