单词ambulacrum
n.: 【动】(昆虫的)步行足;步带网络: 管足;吸垫;步带区
【动物;动物学】(昆虫的)步行足;步带
复数:ambulacra
The mechanism and equipment research in forming half honeycomb sheet with ambulacrum
同步带成形半蜂窝薄铝板的机理及设备研究