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cov khoom

Tus tsim tawm yog hlau hmoov. Hauv chav tsim kho, lub toner raug them los ntawm kev sib txhuam nrog tus tsim tawm. Tom qab opc nruas raug them, nws yog hluav taws xob rov qab rau lub toner. Tom qab ntawd, vim muaj kev sib koom ua ke ntawm cov nqi zoo thiab tsis zoo, lub toner tuaj yeem raug adsorbed rau lub nruas photosensitive los tsim cov duab electrostatic latent, thiab tom qab ntawd los ntawm kev sib hloov Cov ribbon hloov mus rau daim ntawv los tsim cov duab.
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