钢材方案1htt p://wapbaike.baidu.com/view/2466428.htm?fr=aladdin&ref=wise&ssid=0&from=1086k&uid=0&pu=usm@0,sz@1321_1002,ta@utouch_2_5.0_2_5.7&bd_page_type=1&baiduid=06039E038D748803982AE58D37D38C0D&tj=Xv_2_0_10_title

htt p://m.baidu.com/from=1086k/bd_page_type=1/ssid=0/uid=0/pu=usm%400%2Csz%401321_1002%2Cta%40utouch_2_5.0_2_5.7/baiduid=06039E038D748803982AE58D37D38C0D/w=0_10_%E9%AB%98%E6%B8%A9%E4%B8%8D%E5%8F%98%E5%BD%A2%E6%9D%90%E6%96%99/t=wap/l=0/tc?ref=www_utouch&lid=11957736391354008080&order=6&vit=osres&tj=zhidao_6_0_10_title&fr=ala&waplogo=1&sec=2939&di=59035e3570be48ac&bdenc=1&nsrc=IlPT2AEptyoA_yixCFOxXnANedT62v3IDA3OPCkK1De8mVjte4viZQRAUyLqQ7uPHEewdoTLt1s2wyCeOWMl7BUNqv95hzcf8yvgwPztsRPKSRV4fBsw4tv3DX136vqr8xtruQNoRtB7Kicv8rXEwtdrjsrJatZQbtaDhHirvP7A2YPiYFbypkrk2753HyGsOObYcsbYtW9dHZC12tWxKYCRqnNBRzNcbA0nzuNJD2SYnX9YHcalEvBNVFqIIis1XKfn41jckRzUU-RIryY53XFF97zihui2

好长。。。。