常見(jiàn)例句

• The starch must be dextrinized before graft reaction, and amylopection is more suitable and initiator is potassium persulfate.
  澱粉接枝前應(yīng)先糊化、宜用支鏈較多的澱粉和過(guò)硫酸鉀作引發(fā)劑。
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