Xa ufaka iivalve, gcina ezi ngongoma engqondweni xa usebenzisa iivalve ezine-fluorine
Xa ufaka i-valve, gcina ezi ngongoma engqondweni xa usebenzisa i-fluorine i-valve ene-fluorine i-valve ene-directional, njenge-valve ye-globe, i-valve ye-throttle, i-valve yokunciphisa uxinzelelo, i-valve yokukhangela, njl., Ukuba ifakwe ngasemva, iya kuchaphazela ukusetyenziswa kwempembelelo. kwaye...
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