2021??12??1??????????????????棬???????????????????й????????????????Iron Construction Castings?????????η????????臨?????????飬??????????????????????????????η????????臨?????????顣???????????????ó??????ITC?????????????η???????????????臨?????????飬???????????з?????????????????????????????????永???????????????????????????????????????????????????????????2022??1??3?????????????ó????????????????????????2022??2??8???e???????????????????????ó?????????????????

1986??3??5????????????????????????????????????????????????1986??5??9???????????????????й?????????????????????????????????1986??5??15????????????????????????????????????????????????????????????????4?????臨?????????1999??11??12???2005??6??29???2010??11??19???2017??1??6???4???????????????

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https://www.federalregister.gov/documents/2021/12/01/2021-26075/iron-construction-castings-from-brazil-canada-and-china-institution-of-five-year-reviews

https://www.federalregister.gov/documents/2021/12/01/2021-26154/initiation-of-five-year-sunset-reviews