drag link end plug

例句：

1. 1.The engineer carefully removed the drag link end plug to inspect the bearings.
   工程师小心翼翼地取下拖链端盖以检查轴承。
2. 2.The technician replaced the drag link end plug with a new one.
   技术人员用一个新的替换了拖链端盖。
3. 3.The factory had to replace the drag link end plug due to wear and tear.
   由于磨损，工厂不得不更换拖链端盖。