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Dab tsi yog Plastisc Txhaj Molding?
Txhaj tshuaj molding yog ib txoj kev tsim khoom nrov rau kev tsim cov khoom yas los ntawm cov khoom hu ua thermoplastics.Nws yog cov txheej txheem ntawm cov yas yaj, txhaj rau hauv pwm ces rov ua cov txheej txheem kom ntau txhiab lossis ntau lab tus s ...Nyeem ntxiv
