dav hlau ua lag luam feem ntau ya nruab nrab ntawm 31, 000 thiab 38, 000 ko taw- txog 5.9 txog 7.2 mais - siab thiab feem ntau ncav cuag lawv qhov siab tshaj plaws hauv thawj 10 feeb ntawm kev ya davhlau, raws li Beckman. Cov dav hlau tuaj yeem ya siab dua qhov siab tshaj qhov siab no, tab sis qhov ntawd tuaj yeem muaj teeb meem kev nyab xeeb.
Qhov siab tshaj plaws cov dav hlau neeg caij dav hlau ya nyob qhov twg?
Qhov nruab nrab cov neeg caij dav hlau thauj neeg caij dav hlau caij nkoj ntawm qhov siab nruab nrab ntawm 30, 000 thiab 42, 000 feet (ft) (9, 000 - 13, 000 meters). Qhov no txhais tau hais tias lub dav hlau feem ntau ya ntawm 5 mus rau 7 mais saum huab cua.
dav dav dav dav dav npaum li cas?
Thaum lub dav hlau ua lag luam feem ntau ya ntawm 30, 000 txog 36, 000 ko taw, lawv cov ntawv pov thawj qhov siab tshaj plaws yog feem ntau me dua. Feem ntau cov dav hlau ua lag luam muaj ntawv pov thawj qhov siab tshaj plaws ntawm 40,000 txog 45,000 ko taw.
Vim li cas dav hlau ya ntawm 35000 ko taw?
Qhov sib npaug ntawm cov nqi khiav lag luam thiab kev siv rojtau ua tiav qhov chaw nyob ib puag ncig 35, 000 ko taw, uas yog vim li cas cov dav hlau lag luam feem ntau ya ntawm qhov siab ntawd. Cov dav hlau ua lag luam tuaj yeem nce mus txog 42,000 ko taw, tab sis mus dhau qhov ntawd tuaj yeem ua tsis tau zoo, vim tias huab cua pib nyias dhau rau qhov zoo tshaj plaws ntawm lub dav hlau.
Pob dav hlau ya hla Everest?
Tim Morgan, tus kws tsav dav hlau ua lag luam sau rau Quora hais tias lub dav hlau tuaj yeem ya saum 40, 000 ko taw, thiab yog li nws muaj peev xwm ya hla Mount Everest uas sawv ntawm 29, 031.69 ko taw. Txawm li cas los xij, kev ya dav hlau tsis tau taug kev saum Mount Everest vim lub roob tsim huab cua tsis zam txim.
