Tsawg Barometric Tawm Teeb Dej
E13.1402–TsawgBarometric paug teeb
Txhawm rau ua kom pom qhov tshwm sim hauv qhov tsis tshua muaj roj. Nws yog muaj 6 pcs ntev iav raj uas tau nqus ntim, nrog barometric sib txawv sab hauv: 40, 10, 3, 1, 0.1, 0.02 hli mercury sab.
Sau koj cov lus ntawm no thiab xa rau peb