back clamping

例句：

1. 1.The car was back clamped in place after the accident.
   事故发生后，汽车被反向夹紧固定。
2. 2. The bolts were back clamped to secure the door.
   螺栓被反向夹紧以固定门。
3. 3. The tool was back clamped to prevent it from moving.
   工具被反向夹紧以防止其移动。