【简答题】Used by companies to sell a particular product at a retail outlet, eg a supermarket: p_____ o_____ s______ promotion
【判断题】The primary function of refrigerated transport is to move product from either the point of harvest or a commercial storage area to the retail outlet,with no loss in product quality.
【多选题】车辆行驶中冷却液异常损失的主要原因是发动机()。