Daim ntawv khob tshuaj xyuas tshuab
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Visual System khob tshuaj xyuas tshuab
JC01 khob tshuaj xyuas lub tshuab yog tsim los kom pom cov khoom tsis zoo xws li av, dub dot, qhib ntug thiab hauv qab.
JC01 khob tshuaj xyuas lub tshuab yog tsim los kom pom cov khoom tsis zoo xws li av, dub dot, qhib ntug thiab hauv qab.