Hauv kev tsim kho kev lag luam, cov ntsia hlau feem ntau tau siv dav thiab ua lub luag haujlwm tseem ceeb. Muaj ntau hom ntsia hlau, uas yog qhov tseem ceeb hauv kev tsim kho. Cov ntsia hlau uas muaj cov qauv tsim tshiab, kev ua tau zoo sai, zoo engineering zoo, daim ntawv thov dav thiab lwm yam khoom ...
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