Hfc tub yees R404a 404a

Hauj lwm lawm

Yog tias koj tab tom nrhiav hfc refrigerant r404a 404a, thov kom dawb mus yuav peb cov khoom zoo nrog cov nqi sib tw. Raws li ib qho ntawm cov khoom lag luam ua lag luam hauv daim teb no, peb yuav tsum yog koj qhov kev xaiv zoo tshaj plaws. Rau kev hais lus, tiv tauj peb tam sim no.