Sab yuav luag 100 xyoo dhau los, rhenium muaj txia ntshis ua ib txoj kev hloov tseem ceeb heev. Nws muaj nyob rau ntau xyaw engines ntau thiab nws muaj peev xwm muab ntau hom tshuaj tiv thaiv. Ntawm qhov kev lag luam aerospace rau petroleum refineries, Koj mam nrhiav rhenium thoob plaws qhov chaw no hnub. Kawm ntxiv txog vim li cas nws… Nyeem ntxiv »
