回复sisanba发表于：2020/5/19 9:50:46悬赏金额：
15积分 状态：
未解决
里面的齿是条形的，截面是梯形的
[img=,449,800]https://ng1.17img.cn/bbsfiles/images/2016/05/201605190949_593847_2282411_3.jpg[/img][img=,690,387]https://ng1.17img.cn/bbsfiles/images/2016/05/201605190949_593848_2282411_3.jpg[/img][img=,449,800]https://ng1.17img.cn/bbsfiles/images/2016/05/201605190949_593849_2282411_3.jpg[/img][img=,690,387]https://ng1.17img.cn/bbsfiles/images/2016/05/201605190949_593848_2282411_3.jpg[/img][img=,449,800]https://ng1.17img.cn/bbsfiles/images/2016/05/201605190949_593849_2282411_3.jpg[/img][img=,690,387]https://ng1.17img.cn/bbsfiles/images/2016/05/201605190949_593850_2282411_3.jpg[/img]
您现在的位置：
