[问答题,简答题] 滞针

血肿 断针 从中药中提取对热不稳定的成分宜用（） ["回流法","渗漉法","水蒸气蒸馏法","煎煮法","浸渍法"] pH值梯度萃取法适合于分离的成分有（） ["生物碱","游离羟基蒽醌","游离羟基黄酮","三萜类","香豆素"] 皮肤针叩刺 滞针