Qhov loj me ntawm txhuas lub freezer iav qhov rooj; tsom rau cov chaw ua haujlwm hauv khw muag khoom thiab ua haujlwm ntawm kev ua haujlwm ntawm kev ua haujlwm thiab kev ua kom zoo nkauj. Cov tuam txhab tsim muaj ntau ntawm ST
Nkag siab R - Tus nqi ntawm insulated iav qhia txog r - tus nqi yog ib lub ntsiab lus tseem ceeb zaus yog lub archeting thiab archulation thaum tham txog thermal rwb thaiv tsev. Nws sawv cev lub peev xwm ntawm ib daim lev
Nkag Siab Insulated iav: Ib Txheej Xwm Txheej Txheem Qhia Txog insulated rau cov iav insulated, tau dhau los ua kev sib npaug ntawm kev ua kom zoo nkauj thiab kev ua haujlwm b
Qhov no tau yog ib qho ntawm peb qhov kev nyiam tshaj plaws thiab txaus siab rau kev ua lag luam thiab peb tos ntsoov yuav txuas ntxiv mus ua haujlwm ua ke.
Peb txaus siab heev rau ob qho tib si ntawm cov neeg siv khoom tus cwj pwm thiab cov khoom lag luam. Cov khoom tau xa khoom sai sai thiab ntim kom zoo zoo thiab nruj.