power screw

例句：

1. 1. The power screwshold the door together securely.
   这些动力螺丝将门牢固地连接在一起。
2. 2. The powerscrews were used to tighten the bolts on the hinges.
   这些动力螺丝被用来紧固铰链上的螺栓。
3. 3. The power screws are essential forsecuring the structure in place.
   这些动力螺丝对于固定结构至关重要。