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_02J401钢梯及栏杆标准图籍 钢梯代号 梯高（mmm）60080010001200140016001800200022002400250026002700280029003000310032003300340035003600370038003900400041004500梯高（mmm）6008001000120014001600 总重量（kg）96.07114.65133.25151.86170.46189.04207.63226.23244.83263.42277.14282.02295.75300.61314.33319.21332.93337.81351....
钢梯02J401图集84页中THb-102（B3,1）,1是什么意思理论重量多少那个是梯段编号，根据那个计算重量，B3,...
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