tank track pin

例句：

1. 1. The tank trackpin is essential for maintaining the alignment of the tracks.
   坦克履带销对于保持轨道对齐至关重要。
2. 2. The tank track pin was designed to prevent the tank from rolling over on its side.
   坦克履带销的设计是为了防止坦克侧翻。
3. 3. The tank track pin was removed to allow for easier maintenance and inspection.
   为了便于维护和检查，移除了坦克履带销。