高考问答汉语拼音教学图片iuv:帮我一个忙，谢谢
来源：百度文库 编辑：高考问答 时间：2024/05/14 09:28:54
The perimeter of any loop formed by cords / elastics or multiple cords / elastics in connection with any part of the toy ( including beads or attachments on the ends of the cords or elastics),are less than 14 inches when measured under a load of 5 ld