hw不小于450的梁中加筋只有矩形梁才有h0的問(wèn)題，t型和工字梁沒(méi)有這事，設(shè)計(jì)規(guī)范講得很清楚！...閱讀全文

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問(wèn)一下各位大俠懸挑平臺(tái)中鋼絲繩抗拉強(qiáng)度取值有1400、155o…幾個(gè)值可選是怎么樣區(qū)分這幾個(gè)值來(lái)選擇哪一個(gè)合適的？？...閱讀全文