The principle of operation and transfer function for ESV are described.

本文也叙述了这种活门的工作原理和它的传递函数.

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The principle of operation , key technique design and testing accuracy are described.

本文描述了它的测量原理 、 关键技术和测量精度.

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This article introduces its principle of operation and filter structure of spiral coil and experiment study.

本文介绍其工作原理、过滤芯结构及实验研究.

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