Siv cov yam ntxwv thiab hom iav fwj
Dec 01, 2021
Cov iav fwj yog cov ntim ntim loj hauv cov khoom noj, tshuaj, thiab tshuaj lom neeg kev lag luam.
Lawv muaj kev ruaj ntseg tshuaj zoo; yooj yim rau sealing, zoo huab cua nruj, thiab pob tshab, thiab qhov xwm txheej ntawm cov ntsiab lus tuaj yeem pom los ntawm sab nraud; kev ua haujlwm zoo cia; du nto, yooj yim rau disinfect thiab sterilize; zoo nkauj tsos, muaj yeeb yuj kho kom zoo nkauj; Qee lub tshuab muaj zog, tuaj yeem tiv taus lub zog hauv lub raj mis thiab sab nraud quab yuam thaum thauj; qhov zoo ntawm kev faib khoom ntawm raw khoom thiab tus nqi qis.
Nws qhov tsis zoo yog qhov zoo (qhov loj ntawm qhov loj ntawm lub peev xwm), siab brittleness thiab fragility. Txawm li cas los xij, cov kev tsis txaus no tau txhim kho tau zoo los ntawm kev siv thev naus laus zis tshiab ntawm nyias - phab ntsa, lub teeb - hnyav thiab lub cev thiab tshuaj tempering. Yog li ntawd, cov khoom tsim tawm ntawm cov iav fwj tuaj yeem nce xyoo los ntawm xyoo raws li kev sib tw hnyav nrog cov yas, cov kaus poom hlau, thiab cov kaus poom hlau.
