词汇	spherical flanged nut
释义	spherical flanged nut un.圆缘球底螺母
随便看	national moral tradition National Motor Freight Classification National Motto national mountain National Mountain Games national mourning national movement National Multiple Sclerosis Society National Multi-Purpose Space Station nationalmuseet nationalmuseets nationalmuseum National Museum National Museum of African Art National Museum of American History National Museum of Ancient Art National Museum of Anthropology National Museum of Anthropologyand Archaeology national museum of bardo National Museum of Belgrade National Museum of Canada collection national museum of china National Museum of Denmark national museum of ethnology National Museum of Fine Arts