Railway applications - Track - Test methods for fastening systems - Part 4: effect of repeated loading.
铁路设施。轨道。紧固系统的试验方法。第4部分：重复荷载的影响。
3
The reinforced insert part has a fastening mechanism that is fixed in the suction passageway and an access hole that is easy for removing the reinforced insert part from the suction passageway.