常見例句

雙語例句

• The important role of rosin, oil of turpentine, tannin, activated carbon of forest chemical industry in national economy are point out.
  林化産業(yè)在我國民經(jīng)濟(jì)中居於重要地位，在國際市場上也佔(zhàn)有相儅份額。
返回 rosin activated