ISO txheem tshuab thiab tes naps
Cov khoom loj
Khoom Piav Qhia
Nrog nws lub zog siab, hardness, hnav tsis kam, thiab kub ua zog, thiab cov txheej txheem ua cua sov, yog li koj cov txheej txheem txiav yuav ua tau zoo dua. Raws li qhov tshwm sim ntawm lawv cov txiaj ntsig zoo, lawv tseem tiv thaiv lawv los ntawm kev sib txhuam, txias txias, thiab nthuav dav, thiab muaj kev nthuav dav zoo thiab ci. Raws li zoo li ua kom ruaj, tawv, thiab muaj peev xwm los tsim cov xov ntawm varying pitches, tus kais no kuj tau ua los ntawm cov kabmob hlau. Cov kais dej yog qhov tseeb los ntawm cov pa roj carbon hlau hlau, ua rau lawv yooj yim siv yooj yim thiab siv tau yooj yim. Los ntawm kev siv cov kais sib txawv pitches, koj tuaj yeem ua tau raws li ntau yam ntawm threading xav tau.
Muaj ntau cov xov yuav muab cov cuab yeej siv thiab koom nrog siv cov cuab yeej no. Nrog lawv cov xov cov qauv tsim, lawv yog qhov ntse thiab meej yam tsis muaj burrs thiab lawv tuaj nyob rau ntau thiab ntau yam ntawm cov haujlwm ua haujlwm. Lawv kuj tseem tuaj yeem muaj ntau qhov ntau thiab tsawg kom haum rau ntau yam haujlwm ua haujlwm. Yog tias koj coj mus rhaub cov kais dej no, xyuas kom meej tias cov taub uas uas hla yog qhov tsim nyog. Lawv kuj tseem siv tau rau hauv qhov chaw me me. Nws yog qhov ntau dua uas tus kais yuav tawg thaum lub qhov tsis dhau me me, yog li lub qhov yuav tsum tau me me li sai tau.
