常見例句

• Dushanzi asphalt was modified by blending resin and rubber polymers.The experiments of polymers blending ratios were arranged by uniform design method.
  采用均勻設計法安排試驗，通過加入不同比例的樹脂類聚合物及橡膠類聚合物對獨山子煉油廠的瀝青進行了改性。
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