Ha u kenya li-valve, hopola lintlha tsena ha u sebelisa li-valve tse nang le fluorine
Ha u kenya li-valve, hopola lintlha tsena ha u sebelisa li-valve tse nang le fluorine Li-valve tse ngata li na le tataiso, tse kang globe valve, throttle valve, valve reduction valve, valve check valve, joalo-joalo, haeba e kenngoa ka morao, e tla ama tšebeliso ea phello. le...
lintlha tsa pono