Feem ntau, sandblasting thiab txhaj tshuaj blasting yog txoj hauv kev tseem ceeb rau cov khoom siv hlau nto kev kho mob: du nto ntxhib, roughen ib tug du nto, zoo li tus nto, los yog tshem tawm cov kab mob deg thiab lwm yam. Txhaj blasting: Nws yuav siv lub centrifugal quab yuam ntawm kev kub ceev rotating disk. mus tua steel...
Nyeem ntxiv