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Warning: fclose() expects parameter 1 to be resource, bool given in /www/wwwroot/www.wendadaohang.com/inc/function.php on line 2475 框架梁的上部纵筋在端支座里要弯锚而下部纵筋一般直锚,事实上,上部钢筋受压下部受拉,那反过来不是更好 - www问答网