1. Cov hlua khi hla tau raug txo
Cov duab ntawm lub lopper, xov coj tus nqi thiab qee qhov chaw muajtau tshuaj xyuas.Hla stitches thiab tsis txaus xov nruj vim muaj kev hloovntawm xov nro yog txo, tsis hais hom xov.Qhov ntau ntawm xawsmuaj peev xwm tau nthuav dav.

2. Kev xaws tsis muaj suab nrov
Nrog kev tshuaj xyuas tag nrho ntawm cov mechanisms ua suab nrov, ntsiag to xaws txawm nyob ntawmkev xaws ceev dua li cov qauv siv tau raug pom.Lub tshuab yogua nrog lub suab tsim maj mam rau pob ntseg, tshem tawm cov suab nrov.
Qhov kev vibration ntawm lub hauv paus pub uas kis mus rau tus neeg teb xov tooj kuj raug txo.Kev ua haujlwm ib puag ncig nrog tus neeg ua haujlwm qaug zog tsawg tuaj yeem ua tiav.

3. Lub xub pwg hnab loj muab kev yooj yim ntawm kev ua haujlwm
Lub caj npab hnab tshos ntawm 120 mm qhov tob muab qhov chaw txaus, ua kom cov khoom sivteeb tsa du.Nws yog qhov tsim nyog tshaj plaws rau kev xaws ntawm ntsug buttonholes thiab lub duavhnab tshos qhov chaw.Lub caj npab zoo muab qhov pom zoo ntawm rab koob, tso caicov neeg ua haujlwm saib xyuas kev ua haujlwm xaws.

4. Kev ua haujlwm vaj huam sib luag yooj yim siv rau txhua tus
Cov9820 Eyelet Buttonhole Tshuab yog nruab nrog cov kua siv lead ua kua (LCD) thiab qhia cov zaubcov khoom nrog cov cim thiab cov ntawv.Kev teeb tsa thiab xyuas cov qauv xaws thiab hloov ntawmhom kev xaws yog yooj yim to taub thiab nqa tawm.