例句與造句

1. In comparison with unmodified epoxy resin , the impart strength of modified epoxy resin by fh type polyether polyols has increased by 124 % , the fracture toughness ratio by 89 % , and the fracture energy ratio by 260 %
   與未改性的環(huán)氧樹脂相比，用fh聚醚多元醇改性環(huán)氧樹脂的沖擊強度增加124 % ，斷裂韌性比增加89 % ，斷裂能比增加260 % 。
2. It's difficult to find unmodified epoxy resin in a sentence. 用unmodified epoxy resin造句挺難的