Relay Plug

Yog tias koj tab tom nrhiav kom muaj kev lag luam zoo los ntawm kev txuas hluav taws xob, txais tos kom yuav tsum tau txais kev pabcuam valve ntawm tus nqi zoo ntawm no. Paub tias yog ib qho kev txuas cov tuam txhab hluav taws xob thiab cov neeg muag khoom nyob hauv Suav teb, peb lub koomhaum tseem muaj cov qauv dawb rau kev kuaj xyuas.