1, ua ntej ntawm tag nrho cov, sab nraud ntawm stainless hlau cua sov raj yog hlau, tuaj yeem tiv taus kub kub, tuaj yeem ua kom sov hauv dej, tuaj yeem ua kom sov hauv cov kua corrosive, hloov mus rau ntau qhov chaw sab nraud, ntau yam kev thov; 2, qhov thib ob, stainless hlau cua sov raj yog ntim nrog kub kub ...
Nyeem ntxiv