在CO2超临界萃取中,目标产物的分离方法主要有等压分离,等温分离,()。
参考答案:吸附分离
I don’t know if I him this evening. If I him, I will give the novel to him.
A.will meet, will meet
B.will meet, meet
C.meet, will meet
D.meet, meet
电气设备的工作电压低于()就无需接地。
A、2.0v
B、121v
C、36v
D、12v