Dab Tsi Yog Cov Tawv Ntoo Tawv Ntoo Thiab Yuav Siv Nws Li Cas

Dab Tsi Yog Cov Tawv Ntoo Tawv Ntoo Thiab Yuav Siv Nws Li Cas
Dab Tsi Yog Cov Tawv Ntoo Tawv Ntoo Thiab Yuav Siv Nws Li Cas

Video: Dab Tsi Yog Cov Tawv Ntoo Tawv Ntoo Thiab Yuav Siv Nws Li Cas

Video: Dab Tsi Yog Cov Tawv Ntoo Tawv Ntoo Thiab Yuav Siv Nws Li Cas
Video: xov xwm paj nyiag vaj muaj nam sib deev thiab 1 4 2020 2024, Hlis ntuj nqeg
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Birch xyoob ntoo yog qhov nthuav ntau cov ntaub ntawv ntuj muaj rau tus nyiam ntawm rab koob. Tshaj tawm thiab ua tiav, nws tsis yog tsuas yog zoo nkauj tab sis kuj yoog raws, ruaj khov, tsis muaj dej thiab muaj cov thermal conductivity zoo. Cov khoom siv no tau siv los ua khau, khoom siv hauv tsev, thiab tau siv hauv kev tsim kho. Cov tawv ntoo Birch tuaj yeem siv los ua cov ntim rau cov khoom noj, cov ntsiab lus ntawm uas yuav nyob twj ywm tshiab rau lub sijhawm ntev.

Dab tsi yog cov tawv ntoo tawv ntoo thiab yuav siv nws li cas
Dab tsi yog cov tawv ntoo tawv ntoo thiab yuav siv nws li cas

Birch tawv yog hu ua qhov chaw sab nraud ntawm tsob ntoo birch, uas yog nyob sab saud bast. Nws muaj ntau txheej nyias tab sis ruaj khov uas yuav luag tsis raug lwj. Txheeb ze rau saum npoo, cov tawv ntoo ntawm tsob ntoo yog pleev xim dawb. Cov khaubncaws sab nraud povtseg nyob ze ntawm bast yog daj daj-xim av hauv cov xim. Nws yog sab hauv puab cov tawv ntoo uas yog siv rau kev tsim cov tais diav, cov hniav nyiaj hniav kub thiab khoom siv hauv tsev.

Qhov tsim nyog tshaj plaws rau kev ua haujlwm yog cov tawv ntoo du ntawm fluffy birch, ntoo txias-resistant nrog ntoo txawm, lub pob tw ncaj. Cov hom no tuaj yeem lees paub los ntawm ntom ntom tuaj yeem npog cov nplooj thiab tua txhua xyoo. Cov tawv ntoo Birch haum rau kev ua haujlwm raug muab tshem tawm cov ntoo 20 txog 40 xyoo. Qhov no yog ua thaum lub caij ntws. Thaum lub sijhawm no dhau mus, txheej sab saum toj ntawm cov tawv ntoo yuav nyuaj rau cais los ntawm bast.

Cov tawv ntoo ntawm tsob ntoo tau muab tshem tawm ntawm tsob ntoo hauv cov khaubncaws sab nraud povtseg, ribbons lossis thooj voos kheej kheej, uas yog hu ua cov chippings. Cov ntaub ntawv raw khoom tau los ntawm thawj txoj kev yog cov duab plaub ncaj, qhov ntev ntawm qhov txwv yog qhov loj me ntawm pob tw. Xws li cov tawv ntoo tawv ntoo yog siv los ua cov thawv ntawv tag nrho. Ribbons, uas tau muab tshem tawm los ntawm pob tw hauv ib qho kauv, yog qhov tsim nyog rau nws. Cov hlab ntim rau cov ntaub ntawv loj thiab cov kua ntau yog tsim los ntawm cov cij quav zoo ib yam li cov tawv ntoo ntawm cov tawv ntoo.

Ua ntej pib ua haujlwm, cov khoom siv raug ntxuav ntawm cov xuab zeb, plua plav thiab txheej sab saud. Layered birch tawv yog siv los kos cov ntsiab lus ntawm cov khoom lag luam zoo yav tom ntej. Qhov yog tsim raws txoj kab ntawm nqaws, thiab tawv ntoo ntawm nws tus kheej tau muab faus rau hauv dej. Tom qab kev ua tiav, cov khoom yuav dhau los ua yas thiab yooj yim khoov rau hauv qhov chaw yog tsis muaj kev tawg.

Cov tawv ntoo Birch yog siv los ua cov khoom siv quav dev. Txoj haujlwm no siv cov ntaub qhwv nws ncaj thiab oblique. Hauv thawj kis, cov kab txaij nyob sib txig rau lub hauv paus ntawm cov khoom, thiab hauv ob, ntawm lub kaum ntse ntse rau nws. Txoj kev ncaj weaving yog tsim rau kev ua cov duab nruj. Raws li txoj cai, cov khoom zoo li no tau ua tiav rau cov khoom thaiv - cov kab txuas uas rov ua dua cov lus qhia ntawm lub thawv yav tom ntej. Oblique nws yog ntau cov txheej txheem hloov kho kom yooj yim rau kev tsim cov khoom sib npaug. Nyob rau hauv txoj kev no, koj tuaj yeem ua lub khob ua khob, pob tawb, khiab khaub ncaws iav, uas cov kua txiv txias lossis compote yuav tsis da dej hauv lub caij ntuj sov.

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