Qhov zoo:
1. Siv lub tshuab hluav taws xob cua sov hauv qhov txias txias tuaj yeem txo qhov kub thiab av noo ntawm qhov chaw sai sai, yog li txo qhov kev tsim ntawm Frost.
2. Nws muaj thermal efficiency thiab txuag hluav taws xob.
3. Nws muaj lub neej ua haujlwm ntev thiab kev saib xyuas yooj yim.
Qhov tsis zoo:
1. Cov kav hluav taws xob cua sov yuav tsum tau siv hluav taws xob, thiab kev sib txuas yog qhov nyuaj.
2. Tus nqi ntawm kev siv hluav taws xob yog siab.
3. Nws tsis tuaj yeem siv rau hauv thaj chaw uas khaws cov khoom tawg yooj yim.
