Relay Valve

Peb yog tus kws tshaj lij relay valressers thiab cov muag khoom hauv Suav teb, muab kev pabcuam zoo rau cov nqi qis. Peb sov siab txais tos koj mus yuav zoo relay valve ua nyob rau hauv Suav teb no los ntawm peb lub hoobkas.