Boral vov tsev qhia cov tawv nqaij liab-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-R-rawv uas muab kev tiv thaiv los ntawm cov ntsiab lus thaum txhim kho lub zog txuag.
Sol-R-Tawv xiav cov khoom lag luam yog tsim nyog rau yuav luag txhua cov khoom siv ntxhab, yog UV tiv taus thiab muaj qhov txias xiav tiv thaiv npua.
Lub ncoo tshiab sib txuas ob lub zog hluav taws xob ua tau zoo li qub ntawm 0.03, thiab cov khoom siv hluav taws xob ntau dua ntawm 0.03, thiab cov khoom siv tau sib xyaw ua ke rau hauv ib qho khoom, ntaus nqi R-5.5.
"Sol-daim tawv nqaij xiav li cas ua raws li cov txheej txheem dej tsis muaj zog, muab peb cov kev daws teeb meem tseem ceeb, tab sis lawv kuj txo cov kev xav tau huab cua huab cua, tab sis lawv kuj yuav txo qis lub zog uas xav tau lub tsev lossis cov qauv."
Cov khoom no muab cov tshuaj tua hluav taws thaum siv nrog cov pob zeb zeb vov tsev ASTM thiab cov chav kawm av nplaum uas muaj hluav taws ntawm cov ntaub ntawv vov tsev.
Txhua 45-phaus yob ntawm cov ntaub vov tsev muab khoom tau muab 450 square fwj ntawm lub taub hau .Qhov kev nyab xeeb dua ntawm lub taub hau .Qhov kev nyab xeeb dua ntawm lub taub hau ceg tawv nqaij kom muaj lub taub hau, ua kom muaj kev nyab xeeb dua li ntawm lub taub hau ceg tawv nqaij .Qhov kev nyab xeeb dua tshiab kuj tau txo cov kab ke
Symone yog ib tug neeg koom ua ke rau Zonda lub tuam tsev thiab cov kws keej ntawv hauv lwm cov xov xwm thiab tus menyuam yaus hauv kev sib txuas lus kev lag luam los ntawm Towson University.
BUILDER muaj npe hu ua Company Av 2022 Tsev Lub Xyoo.Plus, saib cov tuam txhab twg ua peb cov tuam tsev Asmeskas.
Builder online muab cov tuam tsev hauv tsev, cov phiaj xwm hauv tsev thiab cov ntaub ntawv tsim hauv tsev thiab cov khoom lag luam hauv tsev thiab cov khoom lag luam hauv tsev.
Lub Sijhawm Post: Jun-14-2022
