first aid box短语¹⁴⁴⁹⁷²⁺² 基本例句 急救箱 This article from the current national situation in detail for the first aid box research, analysis and the important role of product features, thereby better understanding of first aid boxes. 本文从目前国情出发针对急救盒做了详细调研，分析产品的特性及重要作用，从而对急救盒更深入了解。 lwgsw