L8014/8015/8016/8017 hlau qhov muag tsom iav thawv tawv pu tawv tsom iav thawv

Cov thawv iav hlau yog tus cwj pwm los ntawm lawv qhov nyuaj thiab lawv yog qhov pheej yig tshaj plaws thiab siv tau zoo tshaj plaws ntawm txhua lub thawv iav.
Cov thawv iav hlau ua tiav nrog cov tawv pu uas muaj zog heev, uas txo cov kab nrib pleb ntawm cov ces kaum ntawm lub thawv iav, ua rau lub thawv iav zoo nkauj dua. Lub tuab ntawm cov tawv yog li 0.5-0.8 hli hauv qhov xwm txheej ib txwm muaj.
Cov khoom siv nruab nrab yog daim hlau, qhov tuab ntawm daim hlau txiav txim siab qhov zoo ntawm lub thawv tsom iav, peb xav kom siv daim hlau ntawm 0.4-0.45 hli, hom hlau no muaj qhov zoo tshaj plaws, muaj qee tus neeg ua lag luam uas siv daim hlau qis dua 0.4 hli, xws li qhov kev qhia tshwj xeeb ntawm daim hlau yog 0.32 hli, qhov tseeb, nws tsis zoo thiab tsis kim.
Cov khoom siv sab hauv yog daim ntawv yas nrog fluff, qhov tuab ntawm daim ntawv yas, qhov tuab thiab mos ntawm fluff kuj txiav txim siab tus nqi. Tau kawg, peb tuaj yeem pom zoo cov qauv zoo raws li cov peev nyiaj.
Tus nqi tag nrho ntawm lub thawv iav hlau tsis siab, qhov siv tau yooj yim, nws tsis tuaj yeem tais tau, thiab nws yog hlau, peb xav kom tsim nws ua ntej thiab ncua sijhawm thauj mus los, uas tuaj yeem txo tus nqi thauj mus los.
Tiv tauj kuv kom tau cov ntaub ntawv ntxiv txog cov khoom thiab cov lus hais.
Abby
E: abby@xhglasses.cn
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