Kev tsim kho ruaj khov ntawm peb cov pob khawm kom ntseeg tau tias lawv yuav nyob ruaj khov rau koj cov rooj tog zaum, muab kev ruaj ntseg thiab kev txhawb nqa tsis tu ncua
Aosite, txij 1993
Kev tsim kho ruaj khov ntawm peb cov pob khawm kom ntseeg tau tias lawv yuav nyob ruaj khov rau koj cov rooj tog zaum, muab kev ruaj ntseg thiab kev txhawb nqa tsis tu ncua
Cov khoom siv raw khoom yog txias-dov hlau phaj los ntawm Shanghai Baosteel, thiab cov khoom yog hnav-resistant thiab xeb-pov thawj.Lub hauv paus ntawm lub pob khawm no txo qhov raug ntawm ob lub hau ntswj thiab txuag chaw.Thiab pob khawm muaj qhov tsim kho, thiab lub qhov rooj vaj huam sib luag tuaj yeem hloov kho los ntawm sab laug mus rau sab xis, nce thiab nqis, rov qab thiab rov qab, uas yooj yim rau cov neeg siv.Clip ntawm kev tsim ua kev teeb tsa thiab tshem tawm yam tsis muaj cov cuab yeej.Cov khoom yog ruaj khov thiab hnav-resistant, ntev- kev siv lub sij hawm.