Cov khoom siv raw yog txias-dov hlau phaj los ntawm Shanghai Baosteel, cov khoom yog hnav-resistant thiab xeb-pov thawj, nrog zoo siab
Aosite, txij 1993
Cov khoom siv raw yog txias-dov hlau phaj los ntawm Shanghai Baosteel, cov khoom yog hnav-resistant thiab xeb-pov thawj, nrog zoo siab
AOSITE tus tshiab Q80 ob-theem quab yuam pob khawm tsis tsuas yog muaj kev ua haujlwm ntawm kev sib txuas ntawm lub qhov rooj thiab lub txee lub cev, tab sis kuj txhawb kev qhib thiab kaw tsis ua haujlwm, uas yog ntsiag to thiab suab nrov txo, thiab tiv thaiv kev ruaj ntseg ntawm tes los ntawm pinched.Yog tias koj tab tom nrhiav los txhawb kev ruaj ntseg ntawm lub qhov rooj txee, peb cov rooj tog zaum rooj tog yog qhov kev daws teeb meem zoo tshaj plaws rau kev ua tiav koj qhov project kho tsev. Kev nqis peev hauv kev ua haujlwm ntev ntev los ntawm kev xaiv peb cov rooj tog zaum zoo thiab txhim khu kev qha niaj hnub no.