extraction apparatus的用法和样例：
例句
- The semi-automatic liquid nitrogen extracter is lowcost and easy-to-use, which can prevent the volatilization of the liquid nitrogen during the extraction.
摘要介绍一种自制的半自动液氮提取器，该提取器制作成本低廉，操作简单，并可以避免治疗过程中提取液氮时液氮的大量挥发，从而可以减少资源浪费，降低治疗成本。 - A packed sieveplate roll contactor was designed to extraction protein with reversed micelles.
设计出滚筒式填料筛板萃取器，并应用该萃取器反胶团法萃取蛋白质。
