workroom manlock

例句：

1. 1. The workroom was locked from the inside, and I couldn't get in.
   工作间从里面锁上了，我进不去。
2. 2. The security guard had to unlock the door for us to enter the workroom.
   保安不得不打开门让我们进入工作间。
3. 3. We need to check the workroom locks before leaving the building.
   离开大楼前我们需要检查工作间的锁。