随着经济的发展和对外贸易的不断扩大 ,我国每年进口的粮谷数量很大 ,粮谷输出国分布在欧洲、北美洲、南美洲及大洋州 ,航运时间一般都在 30天以上。为了防止虫害的发生和为害 ,货主一般都采用磷化铝随航熏蒸的方法对货物实施处理。尽管经过几十天的舱内释放 ,磷化铝残渣中有毒 With the development of economy and the continuous expansion of foreign trade, China imports a large amount of cereals every year. The grain exporting countries are distributed in Europe, North America, South America and Oceania. The shipping time is generally above 30 days. In order to prevent the occurrence of pests and damage, the owners generally use the method of handling phosphine with air fumigation. Despite the release of dozens of days in the tank, aluminum phosphide residues are toxic