lock pillar

例句：

1. 1. The lock pillars are holding the door shut.
   锁柱们正将门紧紧锁住。
2. 2. The lockpillars were damaged during the storm.
   风暴期间锁柱受损了。
3. 3. The lockpillars were used tosecure the building's entrance.
   锁柱被用来固定建筑的入口。