Refrigerant Gas Lub tog raj kheej R23

Hauj lwm lawm

Yog tias koj tab tom nrhiav refrigerant gas cylinder r23, thov kom dawb mus yuav peb cov khoom zoo nrog tus 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.