Cov yam ntxwv loj thiab cov xwm txheej ntawm cov xwm txheej sib txawv ntawm cov taub hau sib txawv
Tiaj tus taub hau: haum rau qis - pa ib puag ncig, feem ntau siv nyob rau hauv cov xwm txheej uas tsis tas yuav tiv taus ntau qhov loj ntawm lub siab loj.
Concave taub hau taub hau: concave inward, muaj peev xwm ntawm Fashiony tau siab dua sab hauv siab, siv ntau lub siab cov hlab ntsha.
Convex head head: protruding outward, with stronger pressure bearing capacity, especially suitable for high-pressure environments.
Yuav ua li cas siv lub taub hau me me
Lub taub hau loj rooj muab cov ncauj lus kom ntxaws ntawm qhov loj ntawm ntau hom taub hau. Cov neeg siv yuav tsum tau lees paub hom qauv qauv, nkag siab cov ntawv tshaj lij, thiab sib piv cov qauv sib xws los ua kom cov khoom sib txawv uas haum lawv cov kev xav tau
Ib qho ntxiv, cov chaw tsim khoom yuav tsum tau txais kev kuaj xyuas thev naus laus zis xws li ultrasound, thiab lwm yam kom nruj me ntsis tswj hwm txhua lub taub hau thiab xyuas kom meej tias nws tau raws li cov qauv.
