hinge bracket bolt

例句：

1. 1. The hinge bracket bolts on the door are holdingit together securely.
   门上的铰链和螺栓紧紧地固定在一起。
2. 2. The engineer used a hinge bracket bolt to holdthe door open.
   工程师用一个铰链支架螺栓来打开门。
3. 3. The hinge bracketbolt was rusted and neededto be replaced.
   铰链支架螺栓生锈了，需要更换。