inserted bolt

例句：

1. 1. The engineer inserted the bolt into thehole with precision.
   工程师用精确度将螺栓插入孔中。
2. 2. The bolt was insertedto secure the door in place.
   螺栓被插入以固定门。
3. 3. The bolt was insertedto reinforce the wall.
   螺栓被插入以加固墙壁。