JIAOGANGSUCHENGJIAOTIE，SHILIANGBIANHUXIANGCHUIZHICHENGJIAOXINGDEZHANGTIAOGANGCAI。YOUDENGBIANJIAOGANGHEBUDENGBIANJIAOGANGZHIFEN。DENGBIANJIAOGANGDELIANGGEBIANKUANXIANGDENG。QIGUIGEYIBIANKUAN×BIANKUAN×BIANHOUDEHAOMISHUBIAOSHI。RU“∠30×30×3”，JIBIAOSHIBIANKUANWEI30HAOMI、BIANHOUWEI3HAOMIDEDENGBIANJIAOGANG。YEKEYONGXINGHAOBIAOSHI，XINGHAOSHIBIANKUANDELIMISHU，RU∠3#。XINGHAOBUBIAOSHITONGYIXINGHAOZHONGBUTONGBIANHOUDECHICUN，YINERZAIHETONGDENGDANJUSHANGJIANGJIAOGANGDEBIANKUAN、BIANHOUCHICUNTIANXIEQIQUAN，BIMIANDANDUYONGXINGHAOBIAOSHI。REYADENGBIANJIAOGANGDEGUIGEWEI2#-10#。JIAOGANGCHANGGUIGUIGERUXIA：2.5#(25*25*3)、3#(30*30*3)、4#(40*40*4)、5#(50*50*5)、6#(60*60*6)、7#(70*70*7)、8#(80*80*8)、10#(100*100*10)。