Natural Refrigerants Standard R23 Lub tub yees txias Coolant Liquid Refrigerant

Hauj lwm lawm

Yog hais tias koj tab tom nrhiav rau ntuj refrigerants standard r23 tub yees coolant kua refrigerant, 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.