Kev siv lub tshuab X-ray portable
Tshawb xyuas seb cov pearls ntawm cov dej clams puas paub tab los ntawm lub tshuab xoo hluav taws xob me me yog ib txoj hauv kev ua tau. Siv los xyuas seb cov oysters muaj pearls hauv, nrog rau qhov loj, tuab, kom muaj nuj nqis, thiab cov xwm txheej ntawm pearls hauv.
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Muaj ntau ntau hom X-ray kuaj tshuab, thiab cov qauv yuav tsum tau xaiv raws li qhov ntev ntawm kev siv. Yog tias ua haujlwm ntev, cov tshuab X-ray yuav tsum tau xaiv thiab nruab nrog cov thawv hluav taws xob tiv thaiv hluav taws xob.
X-ray duab feem ntau yog txhais los ntawm cov kws tshaj lij. Lawv yuav saib xyuas cov yam ntxwv hauv daim duab, xws li qhov ntom ntom, zoo li, thiab txoj hauj lwm, los txiav txim seb cov pearls puas muaj. Pearls feem ntau siv lub voj voog lossis ib lub voj voog thiab tso saib qhov chaw siab hauv cov duab X-ray.
Hauv kev ua haujlwm zoo, nws yuav tsum tau muab sau tseg tias kev kuaj X-ray hauv lub hlaws yuav xav tau cov cuab yeej tshaj lij thiab cov neeg ua haujlwm rau kev ua haujlwm. Cov txheej txheem no feem ntau yog muab los ntawm pearl appraisal laboratories los yog cov kws tshaj lij cov hniav nyiaj hniav kub appraisal tsev.
