基本解釋n.揮發(fā)油(輕石油;石油醚;粗汽油;里格若英)同根派生 ligroin相關詞英漢例句Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin. 本文研究從荊芥穗中提取回收聚苯乙烯所需的檸檬烯,其方法是溶劑萃取。Keywords ultrasonic wave;ligroin;artemisinin;extraction; 超聲波;石油醚;青蒿素;提取工藝;light ligroin(e) 石油醚tractor ligroin 拖拉機用粗汽油ligroin更多例句