孔穴[kǒng xué]
hole; cavity; acupoint
1. danci.911chaxun.com
1. cavity:cavitation erosion 空穴腐蚀 | cavity 孔穴 | cavity brick 空心砖
2. 孔穴
2. void:voglite 铜菱铀矿 | void 孔穴 | voids 结点间
3. aperture:apersonwhoisalwaysfallingillchronicinvalid 病包儿 | aperture 孔穴 | aperturing 孔径作用