fish-plate pass是什么意思

网络释义

1)fish-plate pass,鱼尾板孔型2)angle splice bar,鱼尾板型钢3)angle splice bar,角型鱼尾板4)various shaped fishplate,异型鱼尾板5)4-bolt splice bar,四栓孔鱼尾板6)joint bar,鱼尾板;鱼尾板