gowd

常見(jiàn)例句

• Some signiticant results are obstained.At the same time,a new path which produces the gowd Barium Carbonate and satisfies the demand of relevant industy is found out.
  為生產(chǎn)優(yōu)質(zhì)碳酸鋇產(chǎn)品，滿(mǎn)足工業(yè)使用部門(mén)的需求探索出了一條新的途徑。
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