Tshuaj lom neeg xeb
Nyob rau qee qhov xwm txheej, ntau cov roj, hmoov av, kua qaub, alkali, ntsev, thiab lwm yam ua raws cov nplaim ntawm cov ntawv hlau tsis huv yuav hloov pauv mus rau hauv cov xeb xeb thiab ua tshuaj lom nrog qee yam khoom hauv daim ntawv, ua rau tshuaj lom neeg xeb thiab xeb. . Kev ntxuav thiab khaws cov tshuaj tsis huv txaus ua rau cov kua ua kua nyob hauv, uas ncaj qha corrodes phaj. Cov phaj saum npoo yog khawb, uas ua rau kev puas tsuaj ntawm zaj duab xis passivation, yog li kev tiv thaiv kev muaj peev xwm ntawm lub phaj tau txo qis, thiab nws yooj yim rau hnov mob nrog cov tshuaj nruab nrab, ua rau tshuaj lom neeg xeb thiab xeb.
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