轻粉的功效是() ["杀虫止血","杀虫截疟","杀虫逐水","杀虫止泻","杀虫补火"]
属于助消化药的是下列() ["胶体果胶铋","胃蛋白酶","奥美拉唑","莫沙必利","还原型谷胱甘肽"]
批量小、工序时间短时,可以采用();批量大、工序时间长时,则宜采用平行移动或()。
形虫病的主要传播途径是() ["经食物传播","经水传播","虫媒传播","接触传播","空气飞沫传播"]
能杀虫疗癣止痒,专供外用,不作内服的药物是() ["土荆皮","硫黄","轻粉","铅丹","白矾"]
背景