截止式換向閥的工作原理主要是通過(guò)外力使閥芯和閥套產(chǎn)生相對(duì)運(yùn)動(dòng),?從而改變氣體通道,?使壓縮空氣流動(dòng)方向發(fā)生變化,?進(jìn)而改變執(zhí)行元件的運(yùn)動(dòng)方向。
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