单项选择题 设施、设备以及餐饮食品应做到“四防”（）

单项选择题 个人卫生“四勤”，包括哪些（）

未知题型 Transfer method in supply chain risk management is a partial sacrifice made from the overall consideration of risk management, which is a passive measure. It is often a method of taking risks and losses voluntarily due to the unavoidable operation risk or the need to take risks for the purpose of profit.