2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Tab tshos yog dej tsis qab. Cov tawv txheej txheej tso cai rau cov dej xau tawm ntawm nws yog li nthuav tawm cov dej zoo-repelling zoo. Los nag, thaum nws tsoo lub tsho tawv, tsim cov hlaws me me thiab dov tawm ua lub tsho thiab cov neeg hnav los nag.
Koj hnav lub tsho tawv thaum los nag?
Zoo - we tau txais xov xwm zoo rau you ; nws yog okay rau hnav koj leather nag , txawm you yuav tsum sim ua kom qhuav li sai tau. Txawm tias me me ntawm cov dej noo yuav tsis ua rau koj leather , you yuav tsum tau ceev faj; tseem muaj ob peb yam rau koj xav txog ua ntej you qhwv thiab taub hau sab nraud.
Puas yog lub tsho tawv tsis muaj dej?
Tej tsis muaj dej tab sis nws tiv taus dej. Qhov no txhais tau hais tias nws yog ib txwm muaj peev xwm tiv taus dej nkag. Txawm li cas los xij, dej ua rau tawv nqaij qhuav thiab poob nws cov roj yam tseem ceeb. Thiab yog tawv dries, nws yuav tawv thiab tawv.
Cov tawv nqaij puas los ntawm dej?
dej me ntsis yuav tsis ua rau tawv nqaij txhua yam, thiab cov khoom tawv tawv feem ntau muaj txheej tiv thaiv uas muab sijhawm txaus rau koj los ntxuav cov dej ntws ua ntej tawv tawv. Thaum nchuav thiab dej me me ua rau tawv nqaij puas, feem ntau tsuas yog ua rau tawv nqaij tawv xwb.
Puas tawv puas nyob rau hauvlos nag?
Qhov teeb meem tseem ceeb thaum tawv tau ntub tiag tiag tshwm sim thaum tawv dries. Thaum tawv nqaij ntub, cov roj hauv cov tawv nqaij khi rau cov dej molecules. Raws li cov dej dries thiab evaporates, nws rub tawm cov roj nrog nws. Cov tawv nqaij poob ntawm cov roj ntuj ua rau nws poob nws cov khoom zoo thiab tig nkig.
Pom zoo:
Koj puas tuaj yeem txo cov ris tsho hnav ris tsho?
feem ntau ntawm peb cov ris tsho hnav tau raug preshrunk, yog li yuav tsum muaj tsawg heev yog tias muaj. Peb pom zoo kom koj yuav qhov loj me uas haum koj zoo tshaj plaws ua ntej ntxuav, thiab lawv yuav tsum tseem haum zoo tom qab ntxuav. Txhawm rau txo qis qis, peb xav kom koj ntxuav koj cov ris tsho hauv dej txias thiab kab qhuav.
Puas muaj cov pa roj carbon tsawg tuaj yeem ua kom tawv tawv los ntawm kev quenching?
Txawm tias qis carbon steels tsis teb rau quench hardening. … Txawm li cas los xij, tempering ntawm cov hlau no feem ntau tsis tas yuav tsum tau vim yog qhov kub siab heev Ms (kwv yees li 400◦C) thiab Mf kub, uas tso cai rau cov hlau no ua rau nws tus kheej tempering thaum quenching [
Cov neeg ua tawv tawv tuaj yeem muag tawv?
Leather tam sim no muab muag rau cov neeg ua haujlwm tawv tawv, ntawm 9-12 tawv rau 1 emerald. Tawv tam sim no tuaj yeem ua khoom siv 4 luav zais. Tus neeg ua tawv muag yog dab tsi? Ib tug neeg ua haujlwm tawv tsim cov khoom siv xws li hnab, hnab, hnab, hnab, khau, siv tawv, thiab eeb.
Tsev tawv taub hau puas tuaj yeem ua rau tawv nqaij tawv?
Sunburned tawv taub hau plaub hau poob Ib lub tshav kub ntawm koj cov tawv nqaij feem ntau yuav tsis ua rau plaub hau poob. Tej zaum koj yuav poob qee cov plaub hau thaum daim tawv nqaij tev, tab sis lawv yuav tsum rov ua dua. Yog tias koj muaj cov plaub hau nyias, koj muaj kev tiv thaiv ntuj tsawg los ntawm lub hnub lub teeb UV.
Yuav ua li cas tawv tawv tawv tawv?
tawv tawv tsis yooj yim tawg lossis tev. Qhov tseeb, nws zoo nkauj hnub nyoog dhau sijhawm, tsis zoo li tawv tawv. Nws yog ib qho tseem ceeb rau kev qhia peb tus kheej nrog cov khoom siv thiab cov khoom zoo peb cov tawv nqaij yog ua los ntawm cov khoom zoo tshaj plaws ntawm nws.
