Kufotokozera mwatsatanetsatane kwa zipangizo khumi zapamwamba kwambiri zotetezera kutentha
Zoletsa kutentha zimatanthauza zoletsa kutentha zomwe zimakhala ndi ma porosity ambiri, kuchuluka kochepa, komanso kutentha kochepa, zomwe zimadziwikanso kuti zoletsa zopepuka. Kuphatikizapo zinthu zoteteza kutentha, ulusi wotsutsa, ndi zinthu zoteteza ulusi. A...
tsatanetsatane wa mawonekedwe