今天去健诊，收到一枚螺丝钉，
猜猜这枚螺丝钉是哪用的？
[upload=jpg]UploadFile/2003-8/200382811301377472.jpg[/upload]
螺丝是断的！
[upload=jpg]UploadFile/2003-8/200382811302033801.jpg[/upload]
[upload=jpg]UploadFile/2003-8/200382811303163233.jpg[/upload]
[useMoney=5][upload=jpg]UploadFile/2003-8/200382811304212515.jpg[/upload][/useMoney]
