[名词解释] 财务费用

自然环境的含义 采购招标中，招标在入围的合格供应商中进行，应标供应商不得少于（） ["一家","两家","三家","五家"] 二尖瓣位于（） ["主动脉口","肺动脉口","左房室口","右房室口","冠状窦口"] 左主支气管（） ["粗短，平均3cm以内","外径1.2～1.5cm","与气管中线的延长线形成35°～36°的角","走向比右主支气管陡直","软骨呈环形"] 下列属于“雷公炮炙十七法”的有：（） ["炒","炙","飞","燔","炼"] 财务费用