fixed pin meaning in English

定位销
固定销

Railway transport equipment . clevis and tenon joints . fixed pins type fs
铁路运输设备. u形环和榫接头. fs型固定销
Railway transport equipment . clevis and tenon joints . headless fixed pins type ffs
铁路车辆. u形环和榫接头.型无头固定销
Railway transport equipment . high - quality joints with clevis and tenon with fixed pin . constituent parts
铁路运输设备.带固定销的u形环和榫高质量接头.构件
Railway transport equipment . rough - quality joints with clevis and tenon with fixed pin . constituent parts
铁路运输设备.带固定销的u形环和榫粗加工质量接头.构件