travelling spider是什么意思

网络释义

1)travelling spider,游动楔形卡箍2)saddle clamp,鞍形卡箍3)stop ring,止动卡箍4)wedge type slips,楔形卡瓦5)wedge-shaped fastener,楔形卡口6)v-band clamp,V形带卡箍