Qhov kev ua haujlwm tsawg kawg yuav tsum tsis txhob qis dua -10 degree, thiab qhov siab tshaj plaws yuav tsum tsis pub tshaj 90 degree. Tsis pub dhau qhov ntsuas kub no, kev siv ib txwm muaj ntawm cov kav dej yas-kab sib xyaw tuaj yeem ua kom tiav. Qhov kub thiab txias sab nraum qhov no tej zaum yuav ua rau muaj teeb meem xws li txoj kab uas txo qis thiab cov yeeb nkab txo.
Ceev faj rau kev siv cov xaim yas-kab sib xyaw
Feb 21, 2025
Xa kev nug
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