嚮導閥是一種用於控制流體流動的閥門，通常用於工業領域，以控制液體或氣體的流量、壓力或方向。這種閥門的作用類似於控制流量的開關，整修嚮導閥的目的是確保閥門能夠正常運作，以維護工業過程的安全性、效率和可靠性。

A pilot valve is a valve used to control the flow of fluids, typically used in industry to control the flow, pressure or direction of liquids or gases. The valve acts like a switch to control flow, and the purpose of refurbishing a pilot valve is to ensure that the valve will function properly to maintain the safety, efficiency and reliability of the industrial process。