Mavavu a diaphragm amatenga dzina lawo kuchokera ku diski yosinthika yomwe imalumikizana ndi mpando pamwamba pa ma valve kuti apange chisindikizo. Diaphragm ndi chinthu chosinthika, choyankha kukakamiza chomwe chimatumiza mphamvu kuti itsegule, kutseka kapena kuwongolera valavu. Ma valve a diaphragm amalumikizana ndi ma valve otsina, koma ...
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