Idan sashin zai yi shawagi a sararin sama da gudu fiye da 600 mph, zai fi kyau ya kasance mai juriya.Rubutun Vacuum wani abu ne mai mahimmanci don abubuwan haɗin sararin samaniya waɗanda ke jure yanayin zafi, juzu'i da matsananciyar yanayi.
Lokacin aikawa: Jul-19-2022