Extraction of Volatile Oil

• 挥发油

Extraction of Volatile Oil的用法和样例：

例句

1. Chemical Constituents of Volatile Oil from Leaf of Syringa oblata L.
   丁香属紫丁香叶挥发油成分的研究。
2. Study on chemical constituents of essential oil from Mentha spicata L.
   留兰香挥发油化学成分的研究。