合剂与口服液最常用的净化方法为() ["液-固萃取","液-液萃取","蒸馏法","沉淀法","升华法"]
如果你经常外出带着家门的钥匙,下面的哪种做法最不安全?() ["把钥匙挂在脖子上","把钥匙放在衣兜里","把钥匙放在随身的包里","把钥匙放在手里"]
()产生于毛坯制造和机械加工过程中,会引起工件变形,影响产品质量,所以工艺上要采用适当措施予以消除。 ["弹性变形","塑性变形","内应力","剪力"]
郁金的功效是() ["消肿生肌","活血止痛","行气解郁","清心凉血","利胆退黄"]
行痹的治疗除在病变局部取穴外,可再加() ["膈俞、血海","阴陵泉、足三里","大椎、曲池","肾俞、关元","风池、百会"]
互补品