????????ó???????????????????η????????臨?????????
2023??11??3???????????ó??????ITC????????????й??????裨Silicon Metal??????????η????????臨??????????????????????????з??????????????????????????永?????????????????????????????????????????????????????y???????????з??????????????Ч??
1991??6??10?????????????????????????й????????????????????????????e???????????????臨????????????????????2001??2??16???2006??12??21???2012??4??20???2018??6??4????????????????????Ч???2023??5??1???????????????????й??????跢?????η????????臨????顣2023??9??18???????????????????й???????????????η????????????臨????á?
?????????????????ó???????????
????????????
??????У???
????https://www.usitc.gov/press_room/news_release/2023/er1103_64538.htm