英语翻译商检局在查验货物时,每个箱子的外包装的右下角都被划开了大约A4纸大小,以便看到包装里面装的是什么物品.英文咋说啊

Commodity Inspection Bureau in the identification of goods,packaging of the lower right corner of each box have been cut about the size of A4 paper,in order to see what was inside packing materials