N a spiked metal plate used as a brace for the feet in throwing the stone 固定投球脚的铁钉板 [curling]
horizontal weft cramper卧式卷纬机
horizontal l weft cramper卧式卷纬机
N（名词） a spiked metal plate used as a brace for the feet in throwing the stone 固定投球脚的铁钉板 [curling]