ligroin

常见例句

• Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.
  本文研究从荆芥穗中提取回收聚苯乙烯所需的柠檬烯,其方法是溶剂萃取。
• Keywords ultrasonic wave;ligroin;artemisinin;extraction;
  超声波;石油醚;青蒿素;提取工艺;
• light ligroin(e)
  石油醚
• tractor ligroin
  拖拉机用粗汽油
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