Yuav ua li cas: Hloov Valve Seals yog tias koj lub cav haus luam yeeb

Puas yog koj lub tsheb lub cav tso pa tawm dawb lossis xiav thaum koj pib nws thawj zaug thiab tom qab ntawd nres? Qhov no feem ntau txhais tau hais tias koj lub cav valve seals tsis ua haujlwm zoo. Saib daim vis dis aus no kom kawm paub nrhiav thiab kho qhov teeb meem.