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Cov yam ntxwv ntawm cov qauv ntawm GKBM 72 Series
Kev Taw Qhia Txog Qhov Rai Casement Qhov rai Casement yog ib hom qhov rai hauv cov tsev neeg nyob. Qhov qhib thiab kaw ntawm lub qhov rai txav mus rau ib qho kev taw qhia kab rov tav, yog li nws hu ua "qhov rai casement". ...Nyeem ntxiv
