锟斤拷锟斤拷2021锟斤拷9锟斤拷16锟秸ｏ拷锟斤拷锟斤拷锟教務诧拷锟絣锟斤拷锟斤拷锟斤拷Q锟斤拷锟斤拷锟組锟斤拷锟斤拷锟叫囷拷锟侥斤拷锟斤拷锟絍(Magnesium Metal)锟斤拷锟斤拷锟斤拷锟斤拷锟轿凤拷锟紸锟絅锟斤拷锟斤拷蛯锟斤拷隙锟斤拷越K锟矫ｏ拷锟矫讹拷锟斤拷取锟斤拷锟斤拷锟斤拷锟侥凤拷锟紸锟絅锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫囷拷锟芥案锟絘品锟侥傾锟絅锟斤拷141.49%锟侥凤拷锟斤拷锟絕锟絤锟斤拷锟劫度發锟斤拷锟斤拷锟芥案锟絘品锟斤拷锟斤拷锟斤拷锟絝锟絳锟絇锟斤拷锟斤拷號锟斤拷8104.19.00锟斤拷8104.30.00锟斤拷

锟斤拷锟斤拷2004锟斤拷3锟斤拷25锟秸ｏ拷锟斤拷锟斤拷锟教務诧拷锟斤拷原锟絘锟斤拷锟叫囷拷锟侥斤拷锟斤拷锟絍锟組锟叫凤拷锟紸锟絅锟斤拷锟斤拷锟絳锟介。2005锟斤拷4锟斤拷15锟秸ｏ拷锟斤拷锟斤拷锟斤拷式锟斤拷原锟絘锟斤拷锟叫囷拷锟侥斤拷锟斤拷锟絍锟斤拷锟秸凤拷锟紸锟絅锟斤拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟芥案锟絘品锟斤拷锟斤拷锟斤拷一锟轿凤拷锟紸锟絅锟斤拷锟斤拷蛯锟斤拷隙锟斤拷越K锟矫猴拷锟斤拷锟斤拷锟斤拷2011锟斤拷3锟斤拷11锟秸碉拷一锟斤拷锟斤拷锟絃锟芥案锟絘品锟侥凤拷锟紸锟絅锟斤拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟芥案锟絘品锟斤拷锟斤拷锟节讹拷锟轿凤拷锟紸锟絅锟斤拷锟斤拷蛯锟斤拷隙锟斤拷越K锟矫猴拷锟斤拷锟斤拷锟斤拷2016锟斤拷7锟斤拷21锟秸第讹拷锟斤拷锟斤拷锟絃锟芥案锟絘品锟侥凤拷锟紸锟絅锟斤拷锟斤拷2021锟斤拷6锟斤拷1锟秸ｏ拷锟斤拷锟斤拷锟教務诧拷锟絣锟斤拷锟斤拷锟芥，锟斤拷锟組锟斤拷锟斤拷锟叫囷拷锟侥斤拷锟斤拷锟絍锟斤拷锟接碉拷锟斤拷锟轿凤拷锟紸锟絅锟斤拷锟斤拷蛯锟斤拷锟斤拷锟斤拷{锟介。

锟斤拷锟斤拷 锟紻锟皆ｏ拷锟教務诧拷